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:
STABILITRAK
COMPETITIVE MODE
This message displays when the
Competitive Driving Mode is
selected. When in this mode, the
Traction Control System (TCS)
will not be operating and the
TCS/StabiliTrak warning light will
t ...
Jump Starting
For more information about the vehicle battery, see Battery .
If the vehicle is a hybrid, see the hybrid supplement for more information.
If the vehicle's battery has run down, you may wan ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted
to change the PIN the first time
when speaking with an Advi ...