Exterior Lighting

The exterior lamp control is located on the turn signal/lane change lever.
: Turn to operate the exterior lamps.
: Turns the exterior lamps off.
AUTO: Turns the exterior lamps on and off automatically depending on the exterior light.
: Turns on the parking lamps, together
with the sidemarker lamps, taillamps, license plate lamps, and instrument panel
lights.
: Turns on the headlamps, together
with the parking lamps, sidemarker lamps, taillamps, license plate lamps, and instrument
panel lights.
For more information, see:
○ Exterior Lamp Controls on page 6‑1.
○ Daytime Running Lamps (DRL) on page 6‑2.
○ Fog Lamps on page 6‑4.
See also:
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's engine power is reduced. Reduced engine
power can affect the vehicle's ability to accelerate. If this message is on, but
t ...
Exterior Lamp Controls
The exterior lamp control is on the turn signal/lane change lever.
(Exterior Lamp Control): Operates
the exterior lamps. Turn to one of the following positions:
(Off): Briefly turn to this pos ...
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 ...





