1998 GMC Safari Owner's Manual - Page 103

Plugging thecord into an ungrounded outlet could causean electrical shock. Also, wrong the kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded threelprong 110-volt AC outlet. the cord won't reach, use a If heavy-duty three-prong extension cord rated for at least 15 amps. 4. Before starting the engine, be sure unplug and to store the cord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. How long should you keep the coolant heater plugged in? The answer dependson the outside temperature, the kind of oil you have, and some other things. Instead of trying to list everything here, ask that you contact we your dealerin the area where you'll be parking your vehicle. The dealer can give you best advicefor that the particular area. Automatic TransmissionOperation There are several different positions your shift lever. for I PARK (n: when you start your engine because your This locks your rear wheels. It's the best position to use vehicle can't move easily.