2004 Buick Century Owner's Manual - Page 84

The ignition key must be clean and dry before it is inserted in the ignition or the engine may not start. If the engine does not start and the SECURITY warning light on the instrument panel is flashing, the key may be dirty or wet. Turn the ignition off. Clean and dry the key. Wait about three minutes and try again. If the vehicle still does not start, the ignition key may be faulty. Wait about three more minutes and try a spare ignition key. At this time, you may also want to check the fuse. See Fuses and Circuit Breakers on page 5-97 for information on fuse location. If the starter will not work with the spare key, the vehicle needs service. See your dealer or a locksmith who can service the PASS-Key® II. If a key is accidentally used that has a damaged or missing resistor pellet, the starter will not work. The SECURITY warning light on the instrument panel will then come on. But you do not have to wait three minutes before trying another ignition key. See your dealer or a locksmith who can service the PASS-Key® II to have a new key made. If the SECURITY warning light comes on the instrument panel while the vehicle is being driven, the engine will still be able to be started after it is turned off. The PASS-Key® II system, however, is not working properly and must be serviced by your dealer. The vehicle is not protected by the PASS-Key® II system when this happens. 2-18 If a PASS-Key® II ignition key is lost or damaged, see your dealer or a locksmith who can service PASS-Key® II to have a new key made. Also, see Roadside Assistance Program on page 7-5 for more information. Starting and Operating Your Vehicle New Vehicle Break-In Notice: Your vehicle does not need an elaborate "break-in." But it will perform better in the long run if you follow these guidelines: • Do not drive at any one speed - fast or slow - for the first 500 miles (805 km). Do not make full-throttle starts. • Avoid making hard stops for the first 200 miles (322 km) or so. During this time your new brake linings are not 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. • Do not tow a trailer during break-in. See Towing a Trailer on page 4-39 for more information.