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Problem just started. After driving and shutting off ignition, car electrical is completely dead. No dome light, no dash, no remote lock, no trunk release. Jiggling ignition does nothing. First time it occurred was yesterday. Noticed that turning on driving lights disengaged cruise also. Stopped car. Placed in park. Turned off ignition. Dashboard lights flashed on repeatedly and quickly. Then all power gone. Turned key to start. Nothing. Popped hood, took off battery cover to check connection. Everything appeared fine. No corrosion ( new battery last fall. Today, shut off car, no power again. Opened door. Closed door and dome light suddenly lit and all power returned. Any ideas or more info needed?
 

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Problem just started. After driving and shutting off ignition, car electrical is completely dead. No dome light, no dash, no remote lock, no trunk release. Jiggling ignition does nothing. First time it occurred was yesterday. Noticed that turning on driving lights disengaged cruise also. Stopped car. Placed in park. Turned off ignition. Dashboard lights flashed on repeatedly and quickly. Then all power gone. Turned key to start. Nothing. Popped hood, took off battery cover to check connection. Everything appeared fine. No corrosion ( new battery last fall. Today, shut off car, no power again. Opened door. Closed door and dome light suddenly lit and all power returned. Any ideas or more info needed?
First place to start is at the battery. Take off both terminals & clean them good. Forget how they look just do it. Make the mating surfaces shiny. Do the same for the battery ground connection to the body.
 

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Do you have electric power steering? I would have similar problems but also lose power steering while I was driving. then would shut the car off to reset it but then it didn't do anything and wouldn't start sometimes.
 
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