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:
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free ...
Seat Adjustment
WARNING
You can lose control of the vehicle if you try to adjust a driver seat while
the vehicle is moving.
The sudden movement could startle and confuse you, or make you push a pedal
when you do ...
Remote Keyless Entry (RKE) System Operation (Key Access)
The Remote Keyless Entry
(RKE) transmitter works up to
20m (65 ft) away.
Other conditions can affect the
performance of the transmitter.
See Remote Keyless Entry (RKE)
System.
Wagon Simil ...