Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection.
See also:
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 ...
Compass
The vehicle may have a compass
display in the Driver Information
Center (DIC). See Compass for more information. ...
Turn Signals When Towing a Trailer
The arrows on the instrument panel flash whenever signaling a
turn or lane change. Properly hooked up, the trailer lamps also flash, telling other
drivers the vehicle is turning, changing lanes, o ...