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Old 03-05-13, 04:53 PM   #1
astrotoy
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Default Can Parking Lights drain your battery

I have a 2007 LS460L. It hasn't been driven in three or four days. Today we found the car was completely dead. I had to get into the car with the manual key. The battery is one year old. The AAA person found that the light switch was set on parking lights rather than automatic. Could that have drained the battery. I thought that the lights turn off after you leave the car.

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Old 03-05-13, 05:24 PM   #2
Nospinzone
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I also have a 2007 and I believe if you leave anything electrical on, after 1 hour it will automatically shut down. I have personally verified this with the radio and the DVD player. I'm not sure if this also works with leaving a light on, but I would think so.
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Old 03-05-13, 07:12 PM   #3
FLYCT
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Quote:
Originally Posted by astrotoy View Post
I have a 2007 LS460L. It hasn't been driven in three or four days. Today we found the car was completely dead. I had to get into the car with the manual key. The battery is one year old. The AAA person found that the light switch was set on parking lights rather than automatic. Could that have drained the battery. I thought that the lights turn off after you leave the car.

Thanks.
Yes, leaving parking lights on will drain the battery, probably in one day or less.

The only way lights turn off is if you have light switch set to AUTO position, and then open and close the car door.

JR
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Old 03-06-13, 06:25 PM   #4
astrotoy
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Solved the problem. It was a bad battery. 14 month old replacement battery bought from Lexus ($168 + tax). It wouldn't hold a charge. They replaced it for free under warranty.

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Old 03-06-13, 06:44 PM   #5
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Yes it can and definitely will kill your battery
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