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:
Horn
Press on the steering wheel pad
to sound the horn. ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...
To Use the Engine Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord. The electrical cord is located
on the passenger side of the engine compartment, near the air cleaner.
3. Plug it into a n ...