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:
Parking
(Manual Transmission)
Before getting out of the vehicle,
place the shift lever in R (Reverse)
and firmly apply the parking brake.
For vehicles with the key access
ignition, turn the ignition key to
OFF/LOCK, and r ...
Universal Remote System
See Radio Frequency Statement for information regarding Part 15 of the
Federal Communications Commission (FCC) rules and Industry Canada Standards
RSS-GEN/210/220/310. ...
Other Navigation Services
Available from OnStar
OnStar eNav: Allows subscribers
to send destinations from Google
Maps and MapQuest.com to their
Turn-by-Turn Navigation or
screen-based navigation system.
When ready, the directions will be
...