1997 GMC Savana Van Owner's Manual - Page 154

Power Antenna Mast Care (If Equipped) Your power antenna will look its best and work well if it's cleaned from time to time. To clean the antenna mast: 1. Turn on the ignition and radio to raise the antenna. 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 notgo down when you turn the radio off, it may bedamaged or need to be cleaned. In either case, lowerthe antenna by hand by carefully pressing the antenna down. If the mast portion your antenna is damaged, you can of easily replace it.See your dealer for a replacement kit and follow the instructions in the kit. 2. Dampen a cleancloth with mineral spirits or equivalent solvent. 3. Wipe the clothover the mast sections, removing any dirt. 4. Wipe dry with a clean cloth. 5. Make the antenna go up and downby turning the radio or ignition off and on. 6. Repeat if necessary. 1 NOTICE: Don't lubricate the power antenna. Lubrication could damage it. Adjustable Mast Antenna The mast should be fully retracted before entering any automated wash facility minimize the risk of to antenna damage. If the mast should ever become slightly bent, youcan straighten it out by hand. If the mast is badly bent, as it might be by vandals, you should replace it. Check every once in a while to be sure the antenna is still tightened to the body side panel. 3-28