Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
GM Mobility ReimbursementProgram
This program, available to qualified applicants,
can reimburse you up to $1,000 of the cost
of eligible aftermarket adaptive equipment required
for your vehicle, such as hand controls or a
wheel ...
Unlock Feedback (Lights)
When on, the exterior lamps will
flash when unlocking the vehicle
with the RKE transmitter.
Press SELECT when Unlock
Feedback (Lights) is highlighted.
Turn the Menu knob to select On or
Off. ...
Automatic Transmission Shift Lock Control Function Check
WARNING!
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough r ...