Buick 1993 Skylark Owner's Manual page 135

Fixed Mast Antenna
The fixed mast antenna can withstand most car washes
without being damaged, If the mast should ever become
slightly bent, you can 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 mast is still
tightened to the fender.
Power Antenna Mast Care
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 to
2. Dampen a clean cloth with mineral spirits or
full mast extension.
equivalent solvent.
3.
Wipe cloth over the
mast sections,
removing
.
any dirt.
' I
4. Wipe dry with clean cloth before retracting.
5.
Make the antenna go up and down by turning the
radio or ignition on and off.
6. Then repeat if necessary.