Ford Mercury Villager 1997 Owner's Manual page 53

Electronic Sound Systems
How to Use Your Steering Wheel Audio
Controls (If equipped)
If your vehicle is equipped with steering wheel audio controls,
the controls are located on the inner right rim of the steering wheel.
These controls duplicate some of the audio functions.
How to adjust volume
Press the up arrow button ( ) to increase the volume.
Press the down arrow button ( ) to decrease the volume.
Using the "NEXT" button
This control has different functions for each source (mode). In the
radio mode, the radio will cycle through the memory presets
for the given frequency band. In cassette mode, the tape advances
to the next selection. In CD mode, the CD will move to the
next track on the given disc.
Common Radio Reception Conditions
Several conditions affect FM reception and can result in noise or
interference in the reception. These are:
Distance/Strength
The strength of the FM signal is directly related to the distance
the signal must travel. The listenable range of an average FM signal
is approximately 25 miles (40 km). Beyond this distance, the
radio is operating in a "fringe" area and the signal becomes weaker.
Terrain
The terrain (hills, mountains, tall buildings) of the area over
which the signal travels may prevent the FM signal from being
noise-free.
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