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:
Theft-Deterrent Feature
The theft-deterrent feature works by
learning a portion of the Vehicle
Identification Number (VIN) to the
infotainment system. The
infotainment system does not
operate if it is stolen or mov ...
Owner Checks and Services
At Each Fuel Stop
• Check the engine oil level. See
Engine Oil.
Once a Month
• Check the tire inflation
pressures. See Tire Pressure.
• Inspect the tires for wear. See
Tire Inspection. ...
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 ...
