GMC 1999 Savana Van Owner's Manual page 101

CAUTION:
It can be dangerous to drive with the rear
-
swing out windows or rear door(s) open because
carbon monoxide (CO) gas can come into your
vehicle. You can't see or smell CO. It can cause
unconsciousness and even death.
If you must drive with the rear swing
windows or rear door(s) open or if electrical
wiring or other cable connections must pass
through the seal between the body and the rear
-
swing out windows or rear door(s):
D
Make sure all windows are shut.
D
Turn the fan on your heating or cooling
system to its highest speed with the setting on
VENT, HEAT, BLEND or DEF. Additionally,
on vehicles with heating/air conditioning
systems, NORM A/C or BI
be used. That will force outside air into your
vehicle. See "Comfort Controls" in the Index.
D
If you have air outlets on or under the
instrument panel, open them all the way.
See "Engine Exhaust" in the Index.
-
out
-
LEVEL A/C can
Horn
Press the horn symbol in the middle of the steering
wheel to sound the horn.
Tilt Wheel (Option)
A tilt steering wheel allows you to adjust the steering
wheel before you drive. You can also raise it to the
highest level to give your legs more room when you
enter and exit the vehicle.
To tilt the wheel, hold the steering wheel and pull the
lever. Move the steering wheel to a comfortable level,
then release the lever to lock the wheel in place.
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