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Active Air Suspension -

"Cars built before MArch 2013" must configure with active air suspension? So what does this mean for cars AFTER March 2013- is it automatically a standard feature? What is your feeling about the overall need for the car height lift/ lowering feature? I'm not sure if this is worth it vs. being a little more careful when approaching curbs, etc.

You can get active air or standard suspension. If you get standard suspension your car will not be built until at least this March.

What is your feeling about the overall need for the car height lift/ lowering feature? I'm not sure if this is worth it vs. being a little more careful when approaching curbs, etc. (dcole848)

Without active air suspension I couldn't have considered the car at all. We have a steep driveway so any car this long would bottom out cresting the top. It's a hassle to have to adjust the suspension before driving down, but it's a lot better than not having the option. Hopefully Tesla will take seriously the suggestion to allow location-specific suspension heights and adjust automatically in the future.

What about making the air suspension reactive? All it would need is a ground sensor in the nose and tail of the vehicle, and when the ground comes up, the car raises up on its own to compensate. It already does this for soles cues, so adding a sensor input wouldn't be challenging at all. Maybe use a sonar/laser rangefinder combo? Ultrasonics might be tricky though...........


"sole cues" should be "speed cues"

Turn it off. There's a menu setting for that!

I'm not digging through apples bloody settings for that. -.-
Besides, it USUALLY helps more than it hinders.

Want my Edit button dammit -.-

I'm not sure an ultrasonic/radar sensor would allow the air suspension to react quickly enough. If your steep driveway is positioned such that you aren't approaching it head-on, I don't think any sensor would be able to raise the suspension quick enough before you're pulling into the driveway. The suspension seems to require several seconds (at least) to change height. Which is why I think GPS or voice-enabled control of the suspension would be helpful. It could be set to automatically raise the car when you get within .25 miles of your house, or you could use the voice control to command it to raise as you approach. Both would allow you to raise it well before any sensor could see that it needed to raise.


Reactive suspension? Great idea. Patent it!

@Captain - mercedes already has such a system and it will be deployed on the new s class they are releasing in 2014

@E60 M5 Owner

I was just having fun. There is always a better mousetrap.

If the system can scan far enough ahead for the system to react then it has possibilities. It also means that those same sensors can double as parking sensors that people keep complaining about.

If people slow down before they try to turn into a driveway with an incline, then there should be enough time for a sensor alert to raise the car up. Admittedly this is all guesswork on my part, but the theory is sound enough.

If Active Air Suspension can automatically lower the car at high speed, is it possible to set it to "automatically" raise it to very high at speeds under 10 mph ?

@mcptwo - no, though I imagine there is no technical issue preventing that in some future software update. However, do you really want it raising and lowering everytime you stop at a traffic light? I would think a more appropriate solution would be like charging and remember the location where you want it raised and automatically raise when you get back to that location.

@jat +1

@jat +1

From the Prioritized Software Enhancement thread:

30. g1. Suspension height control based on GPS location and/or voice control,

And note that it's not fast. Changing at speed would probably be pointless.

Can active air suspension be added after delivery?

Suspension can't be switched (either way) after purchase, AFAIK. Too major.

Only if you can add the compressor, lines and control hardware. I'm sure the struts themselves would be swappable but it's all the other stuff that would make it a pain and probably not worth it for Tesla to offer.

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