GMC JIMMY 2002 Manual page 126

Battery Run-Down Protection
This feature shuts off the dome, courtesy, vanity,
reading, glove box and underhood lamps if they are left
on for more than 20 minutes when the ignition is off.
This will keep your battery from running down.
-
If the battery run down protection shuts off the interior
lamps, it may be necessary to do one of the following to
return to normal operation:
D
Shut off all lamps and close all doors, or
D
turn the ignition key to RUN.
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Mirrors
Inside Day/Night Rearview Mirror
Pull the tab under the mirror toward you to reduce glare
from headlamps behind you after dark. Push the tab
away from you for normal daytime operation.