1993 Buick Roadmaster Owner's Manual - Page 70

A .CAUTIONIt can be 'dangerous to drive withthe rear mrindaw,and/or tailgate open. Carbmimonoxide (CO) ,gascan come into your vehicle. You can't see 03 smell co. It can -use unconsciousness and even death. If you must driv----'*,- 'he r e r ---'xiowand/c tailgate open: Make sure al Turn the fan on your heating or coolin! system to its highest speed with the setting onECON. That will forceoutsic air into your vehicle.See '' Comfort Controls" in the Index. If you have air vents on or under the instrumen b n open them a a he way. .. Turn the key to the right (clockwise) to.unlock. The key cannot be removed in this position. To close and lock, lift and push inon the door. Turn up the kev to left,back to the original position and remove. 68