1998 Chevrolet Corvette Owner's Manual - Page 189
1998 Chevrolet Corvette Manual
Page 189 highlights
I NOTICE: Don't lubricate the power antenna. Lubrication could damage it. If the mast portion your antenna is damaged, you can of easily replace it. See your dealer for a replacement kit and followthe instructions in the kit. Integrated Windshield and Rear Window Antennas (Option) The antennasin your vehicle are located in the windshield and therear window. The connectors are at the top of the windshield and the top the rear window of above the rear window defogger. I NOTICE: Before enteringan automatic car wash, turn off your radio to make the power antenna go down. This will prevent the mast from possibly getting damaged. If the antennadoes not go down when you turn the radio off, it may be damaged or need to be cleaned.In either case, lowerthe antenna by hand by carefully pressing the antenna down. ~ 3-30 .