GMC 2000 Savana - Manual (Page 90)

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Rear Doors
CAUTION:
It can be dangerous to drive with the rear doors
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 doors open or if
electrical wiring or other cable connections must
pass through the seal between the body and the
rear doors:
D Make sure all other 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
- LEVEL A/C can 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.
To open the rear doors from the outside, pull the handle
towards you to open the passenger’s side rear door first.