1997 GMC Safari Owner's Manual - Page 93

Automatic Transmission Operation There are several different positions for your shift lever. Plugging the cord into ungrounded outlet an could cause an electrical shock. Also,the wrong kind of extension cord could overheat andcause a fire. You could beseriously injured. Plug the cord intoa properly grounded three-prong 110-volt AC outlet.If the cordwon't reach, use a heavy-duty three-prong extension cord rated for atleast 15 amps. 4. Before starting the engine, be sure to unplug and store the cord as it was before to keep itaway from moving engine parts. If you don't, it could be damaged. ' n o wlong should you keep the coolant heater plugged in? Theanswer depends on the outside temperature, the kind of oil you have, and some other things. Instead of trying to list everything here, we ask that you contact your GM dealer in the area where you'll be parking your vehicle. The dealer can give you the best advice for that particular area. PARK (P): This locks your rear wheels. It's the best position to use when you start your engine because your vehicle can't move easily. It is dangerous toget out of your vehicle if the shift lever is not fullyin PARK (P) with the parking brake firmly Your vehiclecan roll. set. CAUTION: (Continued)