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:
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine
oil and filter. This is based on a combination of factors which include engine
revolutions, engine temperature, and miles ...
Point of Interest (POI)
The Point of Interest (POI) destination entry method lets you select a destination
from the POI list.
Point of Interest: Press to access
the POI (Point of Interest) screen. From this screen yo ...
OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services. See OnStar Overview&nb ...