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:
Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle.
The vehicle can also be controlled from a cell phone through the OnStar RemoteLink
mobile app. See www.onstar.com f ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation)
monitors the operation of the vehicle to ensure emissions are at acceptable
levels, to produce a cleaner environment. This li ...
Insuring the Vehicle
Protect your investment in the
GM vehicle with comprehensive
and collision insurance coverage.
There are significant differences in
the quality of coverage afforded by
various insurance polic ...