1998 Buick Skylark Owner's Manual - Page 79

Engine CoolantHeater (If Equipped) NOTICE: Your engine is designed to work with the electronics in your vehicle. If you add electrical parts or accessories, you could changethe way the engine operates.Before adding electrical equipment, check with your dealer. I you don't, f your engine might not perform properly. If you ever have to have your vehicle towed, see the partof this manual that how to doit tells without damaging your vehicle. See "Towing Your Vehicle"in theIndex. 2 4 Engine .L