Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos certification mark 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:
Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when
the vehicle is stopped on a grade. This feature is designed to prevent the
vehicle from rolling, either forward or rearwa ...
Recreational Vehicle Towing
Recreational vehicle towing means towing the vehicle behind another vehicle
– such as behind a motor home. The two most common types of recreational
vehicle towing are known as dinghy towing and dol ...
Navigation
OnStar navigation requires the
Directions and Connections
service plan.
Push to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to ...