1993 Chevrolet Suburban Owner's Manual - Page 92

Running Your Engine While You're Parked (Automatic rnansrnission) It's betternot to parkwith the enginerunning. But if you everhave to, here are some thingsto know. I I CAUTION A dangerous exhaust into your vehicle. "EngineExhaust".) A Idlingtheenginewiththeairsystemcontrol off could allow (See the earlier Caution under Also, idling in a closed-inplacecan let deadlycarbonmonoxide (CO) into yourvehicleeven if the fanswitch is atthehighestsetting. One place this can happen is a garage.Exhaust-with C h a n comein easily. NEVER park in a garagewiththeenginerunning. Anotherclosed-in place can be a blizzard, {See "Blizzard"in the Index.) It can be dangerous to get out of yourvehicle if the shift lever is not fully in P with the parking brake firmly set. Your vehicle can roll. Don't leave yourvehicle when the engine is running unless youhave to. If you've left theenginerunning,thevehicle can move suddenly. You or others could be injured. To be sure your vehicle won't move, even when you're on fairly level ground, always set your parking brake and move the shift lever to P (Park). I f youhavefour-wheel drive, and you're transfer case is in N (Neutral), your vehicle will be free to roll,even if your shift lever is in P (Park). So, be' sure the transfer case is in a drive gear-not in N (Neutral). Follow the proper steps to be sure -your vehicle won? move. See "Shifting Into Park" in the tndex. If you are parking on a hill, or i f you're pulling a trailer, also see "Parkingon Hills" or "Trailer Towing" in the Index. 2-29