1993 GMC Safari Owner's Manual - Page 74

Features & Controls Driving Through Deep Standing Water If you drive too quickly through deep puddles or standingwater,watercan I f come in' through your engine's air intake and badly damage your engine. oucan't a 'd deeppuddles or standingwater,drivethroughthemvery slowlg Engine Block Heater (Option) I K3213 In verycoldweather, -0°F (-18°C) or colder, the engine block heater can help.You'llgeteasierstartingandbetterfueleconomyduringengine warm-up. To use the block heater: 1. Turn off theengine. 2. Openthehoodandunwraptheelectricalcord. 3. Plug it intoanormal,grounded 1IO-voltoutlet. 2-1 6