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What turns on when you insert key

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Old 07-09-2009, 07:45 AM
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I have a 545 and am curious if anyone knows what turns on when you just insert the key. I know you get the little key inserted icon and the key battery begins charging, but does anything else turn on behind the scenes? My wife sat in my car chatting with one of her friends the other night with just the key sitting in the ignition and killed the battery.
Old 07-09-2009, 08:23 AM
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Assuming the doors are already unlocked, if the car is off and you just insert the key, only the small indicator display lights up.

If you turn off the ignition and juse leave the key in the car, power to just about all of the accessories will stay on for several minutes. If you have a bluetooth phone or are using telematics, this will continue to operate until you disconnect the call.
Old 07-09-2009, 08:25 AM
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Originally Posted by pointerman' post='937304' date='Jul 9 2009, 11:45 AM
I have a 545 and am curious if anyone knows what turns on when you just insert the key. I know you get the little key inserted icon and the key battery begins charging, but does anything else turn on behind the scenes? My wife sat in my car chatting with one of her friends the other night with just the key sitting in the ignition and killed the battery.
Looks like you need a new battery, unless the air conditioning was on, because that kills the battery in no time.
Old 07-09-2009, 08:26 AM
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Originally Posted by pointerman' post='937304' date='Jul 9 2009, 08:45 AM
I have a 545 and am curious if anyone knows what turns on when you just insert the key. I know you get the little key inserted icon and the key battery begins charging, but does anything else turn on behind the scenes? My wife sat in my car chatting with one of her friends the other night with just the key sitting in the ignition and killed the battery.
I would assume there was an issue brewing with the battery already if a few minutes of chatter with the key in the ignition "killed" it!

As for what turns on when I put the key in the ignition....I do to some degree!
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