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:
Control Buttons
The knobs and buttons used to
control the CD player are:
CD: Press to play a CD when
listening to the radio. The disc
and/or track number display when a
CD is in the player.
or
: Press to ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block,
and Roadside Assistance, if the vehicle is equipped with these services. OnStar
can unlock the vehicle doors remotel ...
Horn
To sound the horn, press the center pad on the steering wheel. ...