Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:
Turn Signals When Towing a Trailer
The arrows on your instrument panel will
flash whenever you signal a turn or lane change.
Properly hooked up, the trailer lamps will also
flash, telling other drivers you’re about to
turn, cha ...
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, trunk hinges
and steel fuel door hinge unless the components are plastic. Applying silicone grease
on weatherstrips with a clean clo ...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance
receipts. ...