1999 Chevrolet Corvette Owner's Manual - Page 97

yellowblue Headlamp Doors You can open the doors manually using the knob next to the headlamp assembly. Turn the knob counterclockwise until the doors are open. The headlamp doors should be open when driving in icy or snowy conditions to prevent the doors from freezing closed and when washing the vehicle to help clean the headlamps. NOTICE: In order to avoid possible contact of the hood to the headlamp doors, care should be taken in raising the hood with the headlamps up, or shut off the headlamps prior to opening the hood. The headlamp doors are designed to open when you turn the headlamps on, and close when you turn the headlamps and parking lamps off. If you turn the headlamps on, then turn the headlamp switch back to the parking lamps setting, the headlamp doors will stay open. 2-45