Safety Locks
Safety Locks
Press o 
to activate the safety
locks on the rear doors. The
LED (A) comes on when activated.
The rear door power windows are also disabled.
Press o again to deactivate the
lockout switch.
If the light flashes, the feature may not be working properly.
See also:
Total Weight on Your Vehicle's
Tires
Be sure the vehicle's tires are
inflated to the upper limit for cold
tires. These numbers can be found
on the Information label. See
Vehicle Load Limits.
Make sure not to go over the GVW
li ...
Potential Issues
Some OnStar services are disabled
after five days. OnStar cannot
perform Remote Door Unlock or
Stolen Vehicle Assistance after the
vehicle has been off continuously
for five days. After five ...
Liftgate/Liftglass
CAUTION:
It can be dangerous to drive with the
liftgate or liftglass open because carbon
monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO.
It can cause unconsciousness ...