2003 Chevrolet Blazer Owner's Manual - Page 86

Starting and OperatingYour Vehicle New Vehicle Break-in Notice: Your vehicle doesn't need an elaborate "break-in." But it will perform better in the long run if you follow these guidelines: Keep your speed at 55 mph (88 km/h) or less for the first 500 miles (805 km). Don't drive at any one speed - fast or slow - for the first 500 miles (805 km). Don't make full-throttle starts. Avoid making hard stops for the first 200 miles (322km) or so. During this time your new brake linings aren't yet broken in. Hard stops with new linings can mean premature wear and earlier replacement. Follow this breaking-in guideline every time you get new brake linings. Don't tow a trailer during break-in. See "Towing a Trailer" in the Index for more information. Ignition Positions With the key in the ignition, you can turn it to five different positions. A @ C B D E 2-19 Notice: Don't operate accessories in the ACCESSORY position for long periods of time. Prolonged operation of accessoriesin the ACCESSORY position could drain your battery and prevent you from starting your vehicle. A (ACCESSORY): This position lets you use things like the radio and the windshield wipers when the engine is off. Push in the key and turn it toward you.