Environmental Concerns
○ Always use established trails, roads, and areas that have been set aside for public off-road recreational driving and obey all posted regulations.
○ Do not damage shrubs, flowers, trees, or grasses or disturb wildlife.
○ Do not park over things that burn. See Parking over Things That Burn on page 9‑27.
See also:
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...
OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock
and Stolen Vehicle Assistance. You will be prompted to change the PIN the first
time when speaking with an Advisor. T ...
Extending Engine Run Time
For a 10-minute extension, repeat Steps 1 and 2 while the engine is still running.
The remote start can be extended once.
When the remote start is extended, the second 10 minutes will start immedia ...