Warning
Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk open, or with any objects that pass through the seal between the body and the hatch/trunk or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death.
If the vehicle must be driven with the liftgate or hatch/trunk open:
For more information about carbon monoxide, see Engine Exhaust.
To lock or unlock the liftgate from the inside, press
or
on the central locking switch or on
the driver door.
The vehicle must be in P (Park) for automatic transmissions. For manual transmissions the parking brake must be engaged.

To open the liftgate from the outside, press
on the RKE transmitter to unlock all
doors, then use the touch pad.
See Remote Keyless Entry (RKE) System Operation.
When closing the liftgate, close from the center to ensure that it fully latches.
Emergency Trunk Release Handle
Vehicle SecurityReporting 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 ...
Hub/Axle Flange and Wheel Stud Runout Inspection
Special Tools
GE-8001 Dial Indicator Set , or equivalent
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Mark the location of the wheels to the wheel studs and mark the specific
vehicle position on each tire and wheel ?ELF, LR, RF, RR.
Remove the tire and w ...
Engine Block Disassemble
Remove the cylinder head locating (1, 2).
Remove the oil pressure switch (1).
Remove the knock sensor bolt (2) and the knock sensor (1).
Clean the thread.
Remove the oil flow check valve (1).
Remove the oil pressure rel ...