1995 GMC Safari Owner's Manual - Page 70

How long should you keep the coolant heater plugged The answer in? depends on the weather, the kind of oil you have, and some other things. Instead of trying to list everything here, we ask that you contactyour GM dealer in the area where you'll be parking vehicle. The dealer can give your you the bestadvice for that particular area. Automatic Transmission .I nere are several VOLTS different positions for your shift lever. PARK (P) -This locks your rear wheels. It's the best position use to when you start your engine because your vehicle can't move easily. 2- 18