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:
Programming without a Recognized Transmitter
United States owners are permitted
to program a new transmitter to
their vehicle when a recognized
transmitter is not available.
The Canadian immobilizer
standard requires that Canadian
own ...
Engine Cooling System Messages
Notice: If you drive the vehicle while the engine is overheating, severe engine
damage may occur. If an overheat warning appears on the instrument panel cluster
and/or DIC, stop the vehicle as soo ...
OnStar Additional Information
Transferring Service
Push to request account transfer eligibility information. The Advisor can
assist in canceling or removing account information. If OnStar receives
information that vehicle own ...