1994 Chevrolet Blazer Owner's Manual - Page 73

Driving Through Deep Standing Water NOTICE: If you drive too quickly through deep puddles standing water, or water can come in through your engine's air intake and badly If or damage your engine. you can't avoid deep puddles standing water, drive through them very slowly. Engine Coolant Heater (Engine Block Heater) (Option) 4.3 Liter: I . Engine coolant heater cord cap 2. Engine coolant heater cord strap In very cold weather, 0°F (- 18"C) or colder, the engine coolant heater can help. You'll get easier starting and better fuel economy during engine warm-up. Usually, the coolant heater should be plugged ina minimum of four hours prior to starting your vehicle. To use the coolunt heater: 1. Turn off the engine. 2 . Open the hood and unwrap the electrical cord. 3. Plug it into a normal, grounded 1 10-volt outlet. 2-19