1997 Chevrolet Cavalier Owner's Manual - Page 104

To reactivate the interior lamps, either: The ignition must be turned on, The activated lamp switch must be turned off, then on, OR Mirrors Inside Day/Night Rearview Mirror A front door must be opened. The battery rundown protection feature will also be activated when any door left open. is If your vehicleis left with the ignitionoff for over 24 days, the battery power to the clock and audio system will turn offto reduce the battery drain. When the ignition is turned on again, battery power will be resupplied. Under these conditions will be necessary it to reset the clock and audio system settings. To reduce glare from lamps behind you, move the lever toward you to the night position.