1998 Chevrolet Corvette Owner's Manual - Page 97

Headlamp Doors You can open the doors manually using theknob next to the headlamp assembly. Turn theknob to the left 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 thevehicle to help clean the headlamps. NOTICE: In order to avoid possible contact hood to of the the headlamp doors, care should be taken in raising the hood with the headlamps up, or shut off the lamps prior opening the hood. to 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. Lamps On Reminder If you turn the ignition off and leave the headlamps or parking lamps on and open the door, you will hear a chime.