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Passengers in M3 alone!

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Something similar happened when my wife stayed behind in the car, except she got Rap music. My wife is a non driver but when we picked up the car last month I had the Tesla rep make her phone a car key, just for this sort of situation, as she sometimes set off the alarm in my Honda. The rep thought it was a good idea.

If there was still a phone key in the car, why did all hell break loose when my wife left the car?

Your phone must have unlocked the car, so the car locked when you walked away. It’s not the smartest system.

As I mentioned above, latching the door to the first click instead of fully latched will prevent the car from locking and keep the climate control on.