The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle.

Press
to activate the safety locks.
The indicator light comes on when activated.
The rear door power windows are also disabled.
Press
again to deactivate the safety
locks and power windows.
If the indicator light flashes, the feature may not be working properly.
If a rear door handle is pulled when the safety lock is deactivated, that door will remain locked and the indicator light may flash. Release the handle, then press the safety lock twice to deactivate the safety locks.
Automatic Door Locks
DoorsFront Side Door Check Replacement
Prliminary Procedure
Remove front side door trim panel. Refer to Front Side Door Trim
Replacement
Remove the front side door water deflector. Refer to Front Side Door
Water Deflector Replacement
Front Side Door Check Link Bolt
Caution: Refer to Fastener Caution in the ...
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying General Motors.
If NHTSA receives similar complaints, it may open an investig ...
Rear Compartment Lid Adjustment
Rear Compartment Lid
Caution: Refer to Fastener Caution in the Preface section.
Procedure
Loosen the rear compartment lid hinge bolt (Qty: 4) to
adjust the rear compartment lid.
Adjust the rear compartment lid in order to obtain an even gap between
the rear compartment ...