I'd also improve the steering by making it a little "tighter" with better feedback. I know my Leaf isn't a sports car, but with the acceleration being so snappy (in D), it feels a little incongruous to have a slightly "numb" steering wheel.
How to Make the Nissan LEAF Insanely Great
The Nissan LEAF is a great car. It’s probably the best car we have ever owned. Getting accustomed to the range issues has been a small challenge, but a fun one. For example, I’ve learned that taking surface streets instead of the highway really saves “fuel.” And whenever possible, I avoid hills.
Based on my driving experience, and out of love for this car, I wanted to share some thoughts on how to make the LEAF insanely great. Maybe you can add your thoughts to this wish list.
Navigation for "Least Energy": When planning a trip, the navigation system should take into account not only the distance, and the legal speed limits along the route as well as the terrain.
The power usage of the Leaf is subject to hills and speed. There have been many instances when we should have a lot left “in the tank” but did not due to the fact that many streets and freeways are not level. For example, it is about 20 miles from West Hills to Studio City in the Los Angeles area. The freeway portion is about 15 miles. Going there, the terrain is mostly on a downgrade, and uses about 20 miles of “juice” at the legal speed limits on both streets and freeway. Going back, which is mostly on an upgrade, not steep hills, eats up about 40 miles of “juice.”
Another example is going to Santa Monica over Topanga Canyon, a distance of 25 miles—a very steep climb with a very long gradual downgrade to the ocean. Going there uses up about 15 miles, while coming back uses about 50 miles. The navigation system should suggest different routes for fastest, shortest and “uses least energy.”
Hatch release: This one is simple. There should be a hatch release inside the vehicle.
More details on iPhone App: The iPhone app allows the user to charge the LEAF, turn on the climate control and check the status of the charge. That’s useful, but not enough. How about querying the status of the trip meters and resetting them? Add to that the odometer and other useful information available only if one is in the vehicle. Miles per kilowatt-hours comes to mind. How about downloading statistics for use in a spreadsheet?
Car as Wi-Fi Hotspot: The Leaf should be a Wi-Fi hotspot for use by computers and phones. Since Car Wings is active, it is certainly possible. And, by the way, why does that infernal message come up every time the car is turned on asking about sending information? How about making that a setting so it is done once?
Nissan, please give me the option to NOT have to answer this question every single time I start up the car.
Auto Clock Set: The clocks are another issue. There are two of them. They each have to be set. How about auto setting both of them using atomic clock technology?
Full Screen for Sirius: The Sirius radio system is good with one glaring exception: Due to bad programming of the software—Nissan or Sirius?—only part of the information of a song and/or artist is visible even if the info button is pressed. By the way, pressing the info button pretty much clears the screen. So, why not only show the complete title and/or artist, but make in larger?
The artist is Jimmy Dorsey/Kitty Kallen, the song is “They’re Either Too Young or Too Old.” With a full screen available, much more information could be displayed, like Pandora does. This is a glaring example of a bad user interface.
Most of these don’t seem like major costly changes—just simple tweaks that would make the LEAF’s driving experience even better.
Comments
· glemieux · 17 weeks ago
· VoltSkeptic (not verified) · 17 weeks ago
The Touch interface needs a re-write from scratch. Touch targets are too small to hit without taking your eyes off the road for too long, poorly located (common buttons should be in corners so they can be hit without ever looking), and difficult to navigate (good luck finding audio settings when you're on the audio screen, cancelling GPS destination takes four touches [dash button + 3 on screen], etc).
The engineers who coded the GUI clearly tested it in a parking lot and not in a moving vehicle.
· Henrik2 (not verified) · 17 weeks ago
For me a much better Leaf would be one that could charge 20kwh in 15 minutes instead of the 30 minutes it takes the current Leaf at 50kW. The 70 miles EPA rated range is fine if it could charge at 100kW at public charging stations. When you have to stop several times and charge for 30 minutes at a long range trip it is inconvenient but 15 minutes per stop is manageable for shopping, eating, e-mailing, etc.
· indyflick · 17 weeks ago
I wish the LEAF were more location aware. For example, my charging schedule is for home. When I'm away from home, and I plug in, the LEAF should know I'm not home and start charging immediately, rather than making me hit the override button.
I also wish it had a rock solid high quality 120v 500W pure sine wave inverter for emergencies when your power goes out or to power a vacation cabin, etc. This should be an option, not standard equipment.
Let's see.... what else. How about heads up display?
· Brian Schwerdt · 17 weeks ago
These are great idea! I really hope that Nissan is listening to their customers. I would be happy though if I had my Leaf today instead of waiting another couple of months...I'm so tired of this gas-guzzling Insight!
· spybrook (not verified) · 17 weeks ago
Rather than just showing the range, I want to know how far can I go and still get home. (i.e. 10 miles + home). If I am at the office and want to run an errand before heading home, this would help make sure I stay within a safe range for "deviations" off the planned route.
· Anonymous (not verified) · 17 weeks ago
@tterbo - The audio system is pretty decent. Not audiophile quality, but I enjoy rock'n it loud. Really dig that it will stream audio over Bluetooth.
@BobSchoenburg - The WiFi hotspot is a nifty idea, but the cost of the data plan to cover 3 people streaming video at the same time would not make anyone happy. The telemetry data for the car is pretty small. Besides you wouldn't like the 1Mbps 3G data rate in a year when you cellphone is on LTE and pushing 25 Mbps.
The Nav system needs a total rethink. After 5K miles in our Leaf, the Nav is a pretty moving picture for my 4 year old to enjoy. It all starts with the goofy license agreement each time you start the car. The car KNOWS who I am by the key in my pocket. It even weighs me while I'm in the driver's seat to know how much power to use when the airbag deploys. It seems between these two bits of data, Nissan should be able to write software to allow me to agree that they are watching me. If the layers can't live with THAT idea, how about a splash screen as the car boots with the data transfer message and an opt-out button, releasing to the regular screens when the boot process is done.
The NAV system gets worse, when many of the settings go away when the car is in motion. To modify a route, I have to stop the car. Even if I have a passenger who might do it. Even if the car KNOWS there is a passenger in the front seat (airbag sensor), and EVEN if that passenger has the OTHER key. Oh, and WHY is the charging station list in the car so crappy? This is the ONE thing the Leaf Nav should really be good at: finding me some electrons to get me home. Come on Nissan. Let me USE the frigg'n car I bought. You make it hard, so I just fire up Google Map on my Android and let my kid enjoy the moving picture on the Nav system screen.
Either rewrite the Nav (which would make me happy) or put Dora the Explorer icons in it (which would make my kid happy).
I would also like to be able to use the fog lights in a way that they actually help in the fog: with the headlights off. My 1999 Jeep Grand Cherokee got this right. I'll let Nissan's engineers sit in it if they want to see how a good fog/headlight switch might work. Really, I will. I'll even show them how to put a headlight system on relays with an inexpensive Chinese made wiring harness, but only if they are nice.
How about a charging latch that is electronically actuated, maybe on the key? I feel silly when I forget to pull the mechanically actuated charge door lever and have to go back in and pull it.
On the plus side, everyone seems to love the irony of the traction motor inverter looking like a valve cover. Kudos.
· Montreal EV fan (not verified) · 17 weeks ago
To make the LEAF insanely great, add a small gas heater to heat the interior of the car and to defrost the windows. This would extend the winter range and give faster interior heating than an equivalent ICE car.
Using hydrocarbons for heat makes a lot more sense than for mechanical energy, since the burning of fuel results in disordered (high entropy) energy, which is efficiently converted to background heat because it is also disordered energy.
Electricity on the other hand is highly organized energy (low entropy) which is why it can be so efficiently converted to mechanical energy. Electricity therefore should not normally be used for background heat (it's a waste of its order) unless it is used to drive a heat pump.
So to add a gas fueled interior heater to an electric car such as the LEAF is not a bad thing environmentally. Using electricity to drive a car, and fuel to heat a car, is consistent with the respective quality of each energy type.
· NISSANMASTTECH (not verified) · 17 weeks ago
@Montreal EV fan, anytime fossil fuels are burnt emissions are created and then you would need an emission system. If you are talking about gasoline, now you need fuel vapor recovery( evaporative system) and not to mention cat converters, that will be very costly. Propane may not be a bad idea. But as you probably know the Leaf preheats while charging.
· Montreal EV fan (not verified) · 17 weeks ago
@NISSANMASTTECH
Very good points. There is a lot of complexity with gas heating systems, propane would be less complex.
In any event, I see fuel heaters as an interim fix, a way of extending winter range until battery cost and capacity are such that the extra heating load on the battery is no big deal.
Preheating when charging is a huge benefit and a real selling point for plug-in vehicles. Surprisingly, this feature does not seem to have been advertised much in northern climates - it should be.
· Warren (not verified) · 17 weeks ago
Simple, safe, logical.
http://search.coleman.com/cgi-bin/MsmGo.exe?grab_id=0&page_id=1729&query...
· ditchner (not verified) · 17 weeks ago
It is not well known that in N. California PG&E offers an amazing rate for plugin owners. Their E-9B rate which is 4 cents / kwh in the summer and 5 cents / kwh in the winter allow me to travel about 1000 miles per month for $16 which is equivalent to 4 gallons of gasoline at $4/gallon or 250mpg. If gasoline should pop to $5/gallon that would increase my equivalent mpg to 312 mpg.
To get the E-9B rate you must add a second meter to your electric feed. The cost of that is dependent on a number of factors. PG&E will determine whether or not you require a service upgrade and, if so, how much work that will entail. In my case, our 200 amp supply was sufficient and required no upgrade by PG&E. It cost me $2000 for an electrician (working in concert with PG&E to match their requirements) to add the splitter and 2nd panel. PG&E added the 2nd meter for $250. I expect to recoup those costs over one year as my cost/kwh originally was 30 cents/kwh and more depending on what power tiers we acheived during the month.
I'd recommend that anybody considering a plugin check out the rates and evaluate your potential to take advantage of what appears to be almost free energy.
· dgpcolorado · 17 weeks ago
I'll agree with 54mpg that what the LEAF needs is a choice of battery sizes and a faster Level 2 charger.
As for all the electronic gadgets, I'd like to see an option to get rid of them. Nav system? Why? With the limited range of the LEAF it isn't as if I don't know where I'm going anyway. Bluetooth? Get rid of it, distracted driving while talking on the phone is dangerous, hands-free or not. Guess-o-meter? It is utterly useless for anyone who lives where there are hills. XM radio? Get rid of it. CD player? Never use it. Carwings? No reception in my garage so it isn't very useful anyway.
The only useful electronic gadgets are the energy use screens—I really like those—and the charge and climate control timers. I'd like to see the GoM replaced with a proper State of Charge display, even though I know it is difficult to make one that is accurate. And I'd like to see the battery temperature display with actual numbers or much more granularity because battery temp affects range, regen, and charging. I'd like to see the ability to set "Eco" as default over "Drive". And I'd like to see somewhat more aggressive regen, if that's possible, for more controlled descents of steep hills without use of friction brakes. And please fix the climate control system so the heater can be turned off and the airflow controlled independent of heat or AC.
In short, I'd like to see a stripped version of the LEAF that is less complex and doesn't have all the expensive electronic gadgets. Fewer things to have to fix when they break. It would also be nice to have crank windows, to get rid of the keyless entry system, which will be very expensive to fix when it breaks, and to use actual buttons instead of an easily scratched plastic touch screen.
Finally, how about a spare tire and jack? Yes, it is a bit of extra weight but I'd much rather change a tire than wait an hour for a tow, assuming I've got cell phone reception to call for a tow. [Without a spare, I carry a plug kit and pump in the hope that I can find and repair any leak. Using the slime Nissan supplies means a VERY expensive replacement of the tire pressure sensor.]
All that said, the LEAF is great fun to drive and has better range than I expected in cold weather. And it doesn't use oil to get around, which is the whole point.
· Anonymous (not verified) · 17 weeks ago
Regarding "There should be a hatch release inside the vehicle.". There is no need. The cargo door can be opened whenever the car is unlocked.
Regarding "Leaf should be a Wi-Fi hotspot". Carwings uses the AT&T data service. There is no Wi-Fi connection presently in the car.
Regarding "using atomic clock technology". The clock in the navi uses GPS time which is just as accurate.
You might want to also check MyNissanLeaf.com where many similar discussions have been and are taking place. I am also a LEAF driver and love my car.
· Anonymous (not verified) · 17 weeks ago
Actually, IMHO, the Leaf audio system is only acceptable in sound quality (certainly compared to the Volt--we have both cars). I would also support a stripped version of the Leaf in terms of electronics. Since ALL of Nissan's GPS software, across their whole line of vehicles is about 5 YEARS behind actual road construction, I would not encourage anybody to pay extra for a Nissan supported GPS system. I also WONDER why engineers could not duct airflow over the electric motor (it must be generating considerable heat? NO?) to provide heat for the interior. My wife virtually refuses to use our Leaf in the California winters as it doesn't heat up quickly or thoroughly enough. I got an aftermarket plug-in seat heater for her side of the car, and at least she will ride for weekend errands in the Leaf rather than demand the Volt. I would like to see (pun intended) BETTER low beam headlights also for overall safety concerns. Functionally the Leaf is a solid appliance, and I am OK with it as my daily driver, but I regret having to pay for a completely unnecessary GPS system and would like better interior heating (the 2012 heated seats will be a GREAT help) and better headlights. Of course, the FASTER CHARGING would be another positive step.
· dgpcolorado · 17 weeks ago
@Anonymous, The heated seats and heated steering wheel on the 2012, and 2011 with "Cold Weather Package", work very well and heat up in seconds. I was astonished how much difference the heated steering wheel makes to overall comfort.
Also, preheating the car, whether plugged in or not, is very effective and can be done remotely if the car has cell phone reception. And that can be done on a 2011 model without the CWP. Getting into a preheated LEAF on a subfreezing day is quite pleasant.
· Patrick Connor · 16 weeks ago
I'd like to see HD radio,external 120V socket (for tailgate parties, enabled via touchscreen so people don't use it unauthorized), and 80Amp level 2 charging
· Bud Cordle · 16 weeks ago
I think it has a long way to go. I'll check back in a few years.
· Anonymous (not verified) · 5 weeks ago
On cool Spring days when the car has been parked in the sun it is hot and stuffy inside. The vent system is inadequate without using the fan witch drops the mileage the same as air conditioning or heating. Doesn't the fan at low speed use less power than at high speed with the heater? Can the fuzzy logic range calculations be fine tuned? I just carry passengers around in a stuffy car and that is bad PR.
· dgpcolorado · 5 weeks ago
@Anonymous, The fan should use almost no power. If you are seeing power usage on the energy screen it is likely that the heater or AC is coming on. The heater shouldn't come on if the CC temp is set to 60º and it is warm inside the car (the exception is that pushing the defrost button will use the heater regardless of temperature IME). The AC shouldn't come on if you push the AC button and the light is off.
If your range isn't limiting, you could just set the temperature where you are comfortable and let the car do what it wants to keep you and your passengers comfortable.
EVSEupgrade.com has a new modified CC control unit for sale that will allow the heater to be turned off and the fan and vents used as desired. For more info:
http://www.youtube.com/watch?v=ykjgnrZTF2c
http://www.mynissanleaf.com/viewtopic.php?f=37&t=6751&start=133
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