Highway Hypnosis
Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park the vehicle and rest.
Other driving tips include:
○ Keep the vehicle well ventilated.
○ Keep the interior temperature cool..
○ Keep your eyes moving — scan the road ahead and to the sides..
○ Check the rearview mirror and vehicle instruments often.
See also:
Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under Dual Automatic Climate Control System on page 8‑4 for more informati ...
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 ...
Memory Features
On vehicles with the memory feature, the “1” and “2” buttons on the outboard
side of the driver seat are used to manually save and recall the driver seat and
outside mirror positions. Th ...





