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:
OnStar® System
OnStar® uses several innovative technologies and
live advisors to provide you with a wide range
of safety, security, information, and convenience
services. If your airbags deploy, the system is
...
Used Replacement Wheels
WARNING
Replacing a wheel with a used one is dangerous. How it has been used or how far
it has been driven may be unknown. It could fail suddenly and cause a crash. When
replacing wheels, use a ...
Storing a Favorite Station
Stations from all bands can be
stored in the favorite lists in any
order. Up to six stations can be
stored in each favorite page and the
number of available favorite pages
can be set.
To st ...