1994 Cadillac Fleetwood Owner's Manual - Page 178
1994 Cadillac Fleetwood Manual
Page 178 highlights
NOTICE: Don't lubricate thepower antenna. Lubrication could damage it. NOTICE: Before entering an 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 antenna does not go down when you turn theradio off, it may be damaged or need to be cleaned. In eithercase, lowerthe antennaby hand by carefully pressing the antennadown. If the mast portion of your antenna is damaged, you can easilyreplace it. See your dealer for a replacement kit and followthe instructions in the kit. 165