Originally Posted by astrotoy
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.
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.