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:
Service Parts Identification Label
This label, in the trunk, has the
following information:
• Vehicle Identification
Number (VIN).
• Model designation.
• Paint information.
• Production options and special
equipment.
...
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer/retailer.
Maintenance Replacement Parts
...
Adding Equipment to Your Airbag-Equipped Vehicle
Q: Is there anything I might add to the front
or sides of the vehicle that could keep the
airbags from working properly?
A: Yes. If you add things that change your
vehicle’s frame, bumper system ...