First off, I'm not sure if this belongs here in the UI subforum or the Battery & Charging subforum. Mods, please move if I picked the wrong one. I have an idea for an enhancement. From one of the recent firmware update, Tesla is now providing two range estimates: Projected Range and Rated Range. Rated Range using the EPA's 5-cycle test to calculate range. Projected Range takes data from your last 30 miles of driving to predict the range. My idea would affect only the Projected Range estimate and only when the the navigation system is currently providing navigation/route guidance. The Projected Range prediction would take into account current traffic conditions and terrain information along the predicted route to further refine the projected range. Not only would this be helpful day-to-day to get more accurate predictions, but would be super-useful in resolving any range-anxiety when traversing a mountain pass. When climbing up the hill, the current system would paint a very grave picture of remaining range when, in reality, the downhill portion of the drive would partially mitigate that. One more feature that would come "free" with this is that the car can automatically tell you if you will be able to make it to your destination with your remaining charge.