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:
Vehicle Information Menu Items
Press MENU on the turn signal lever until the Vehicle Information Menu is displayed.
Use w / x to scroll through the following menu items:
Unit
Tire Pressure
Remaining Oil Life
Battery Vol ...
Vehicle Symbol Chart
Here are some additional symbols that may be found on
the vehicle and what they mean. For more information
on the symbol, refer to the index.
: Airbag Readiness Light
: Air Conditioning
...
LOW BATTERY
This message is displayed when the
battery voltage is low. See Battery for more information. ...