1996 Buick Riviera Owner's Manual - Page 78

New Vehicle6CBreak-In" Ignition Key Positions The key with the black plastic head operates the ignition lock. NOTICE: Your modern Buick doesn't need.an elaborate long "break-in." But it will perform better in the run if you followthese guidelines: 0 Don't drive at any one speed fast or slow for the first 500 miles (804 km). Don't make full-throttle starts. 0 Avoid making hard stops for the first 200 miles (322km)or so. During thistime your new brake linings aren't yet broken in. Hard stops with new linings can mean premature wear and earlier replacement. Follow this breaking-inguideline every time you get newbrake linings. -0 Don't tow a trailer during break-in. See more "Towing a Trailer" in the Index for information. -- -- A E With the ignition key the ignition switch, you can in turn the switch to five different positions: ACC (A): An on position in which you can operate your electrical power accessories. Press the ignition in as key you turn the top ofit toward you. 2-17