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hey.. i have a 2000 323i and i just got a escort passport 8500 and it shows that the power is still on even after i shut the car. my other cars always shut off the cig adapter when i shut the car off so i found this strange. anyone know?
 

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yes, the cig lighter stays on all the time. If you don't want to drain your battery, hardwire your radar detector to a switched power source so that it will automatically turn on when you start your car and turn off when you turn off your car.
 

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ASA NO MO
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Look where your sunroof controls are, and remove that panel. To your right, on the passenger side, there is a group of 3 taped up wires with a white connector. The blue/green wire is a 12v power source that goes off when you shut off the are.

Good Luck
 
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