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:
Entry Lighting
The headlamps, parking lamps, taillamps, and most of the interior lamps turn
on briefly when is pressed on the
Remote Keyless Entry (RKE) transmitter. After about 30 seconds the exterior lamps
...
Weight Distributing Hitches and WeightCarrying Hitches
When using a weight-distributing hitch, the hitch
must be adjusted so the distance (A) remains
the same both before and after coupling the trailer
to the tow vehicle.
If you use a step-bumper hi ...
Manual Reclining Seatbacks
WARNING:
You can lose control of the vehicle if you try to
adjust a manual driver’s seat while the vehicle is
moving. The sudden movement could startle and
confuse you, or make you push a ped ...