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:
Hood
To open the hood:
1. Pull the interior hood release
handle located to the left of the
steering column below the
instrument panel.
2. Go to the front of the vehicle and
push the secondary ...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous.
Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning ...
OnStar®
If the vehicle is equipped with an
active OnStar system, that system
may also record data in crash or
near crash-like situations. The
OnStar Terms and Conditions
provides information on data ...