Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M 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:
Exterior Lamps Off Reminder
A warning chime sounds if the driver
door is opened while the ignition is
off and the exterior lamps are on. ...
Operating UHP Using Voice
Control
The voice control of the UHP
system enables you to operate
several functions of the mobile
phone using your voice. The UHP
system uses voice commands to
control the system and dial phone
n ...
Exterior Lamps Off Reminder
A warning chime sounds if the driver door is opened while the ignition is off and the exterior lamps are on. ...