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Did this just start happening? Have you recently done any repairs?
Does the radio stay on as well?
Does the dome light stay on or just those back lights?
Do the park lights also stay on?
i just bought the truck a few days ago and it has been the case since i bought it. The radio stays on putting sound through the speakers and the dash lights are on for 10 minutes. the dome light and park lights turn off after about 30 seconds.
ok. i'm not sure if this helps you narrow it down or not, but i forgot to mention that after the truck is turned off and any door is open, none of the windows work.
on a side note, there is a whirring/buzzing sound coming from the nav/dvd dash area. it sounds like a computer trying to read a disk or a small motor spinning. i have read elsewhere that this is somwhat normal for the nav system to make this noise as it is checking a disk for the map data, but i figured i'd run it by you while i have you online.