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:
If a Tire Goes Flat
It is unusual for a tire to blow out
while driving, especially if the tires
are maintained properly. See Tires. If air goes out of a
tire, it is much more likely to leak
out slowly. But if the ...
OnStar®
OnStar® uses several innovative technologies and live
advisors to provide a wide range of safety, security,
navigation, diagnostics, and calling services. ...
High Voltage Devices and Wiring
WARNING!
Exposure to high voltage can
cause shock, burns, and even
death. The high voltage
components in the vehicle can
only be serviced by technicians
with special training.
High voltage ...
