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?increased key battery charge loss when key is left in or near car

I have gotten the low key battery message twice in the last 6 weeks. I park the car often in a garage in manhattan, and they leave the key in the car for long periods. Anyone else having this key battery problem? Any other theories?

My delivery specialist told me to never leave the key in the car when the car is parked or even in near proximity because the fob battery would drain quickly. I guess he was right:-)

Thanks carefree!

The fob is in constant communication with the car computer while it's nearby/inside. So it'll drain quickly since it'll always be "on" if you leave it in your car. The car's never really "off"...if that helps.

I've not seen the warning yet. But I'm peripherally aware of it as my fob literally sits one floor up in my townhouse directly over the rear of the car. My wife's fob is only a few feet away. I'm more worried about hers since mine is in a bin over the kitchen granite counter top. Add to the fact that I thought I would go thru a battery or two doing the HomeLink, I don't think this is a major issue, and the batteries aren't that expensive.

"Talk" is cheap, but not free. Especially for FOBs.

It would be nice if the car had a receptacle for the key fob that recharged it so that you don't have these issues - ie when driving the car the key is being recharged or something like a docking station to hold it when you get home. It could charge wirelessly so no cables..

I keep a spare battery in the car. I made a neat battery holder out of a piece of scotch tape and put it in the glove box. Just in case.

What is the consensus on how far the fob has to be in order to NOT drain from communicating with the car? Is it far enough if the car does not respond when you click the fob? Which would indicate the signal isn't reaching the car.

Solitary confinement for fob.

If you have the Tech package, lock the car and walk far enough away to where you are sure it's out of range. Slowly approach the car and see at what range the door handles extend for you.

"If you have the Tech package, lock the car and walk far enough away to where you are sure it's out of range. Slowly approach the car and see at what range the door handles extend for you."

I'm thinking about how hillarious that would look to one's neighbors as you repeatedly try to sneak up on your car. Best laugh all day!

@kyleket - The car can receive a signal from clicking the fob from quite a distance -- 40 or 50 feet at least. However, I don't think it has to be that far away. As others have suggested, it's the distance traveled by the signal when you DON'T click that you need to worry about. That is probably 10 or 12 feet at most.


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