1994 Chevrolet Corvette Owner's Manual - Page 51

Features and Controls Driving through Deep Standing Water NOTICE: If you drive too quickly through deep puddles or standing water, water can come in through your engine's air intake and badly damage your engine. If you can't avoid deep puddles or standing water, drive through them very slowly. Engine Coolant Heater (Engine Block Heater) (LTI ENGINE, CANADA) In very cold weather,0 "F (- 18 "C) or colder, the engine coolant heater can help. If you notice roughidling or surging, You'll get easier starting and better fuel especially after long periods of idling or economy during engine warm-up. during slow city driving, the oxygen Usually, the coolant heater should be sensors may be clogged. If this happens, plugged in a minimum of four hours prior follow these steps to clear the oxygen to starting your vehicle. sensors: To use the coolant heater: 1. Set the parking brake. 2. Shift an automatic transmission to "P" 1. Turn off the engine. (Park) or a manual transmission to 2. Open the hood and unwrap the " N ' (Neutral). electrical cord. 3 Press the accelerator until your . 3. Plug it into a normal, grounded tachometer reads 2,000 rpm and hold 110-volt outlet. for two minutes. Rough Idling I NOTICE: After you've used the coolant heater, be sure to store the cord as it was before to keep it away from moving engine parts.If you don't, it could be damaged. ...50