Understanding Radio Reception - GMC 1996 Sonoma Owner's Manual

Disabling the Theft System
1. Press the 1 and 4 buttons together for five seconds
with the ignition
on
but the radio off. SEC will
appear on the display to show that the unit is in the
secure mode.
2. Press SET and 000 will appear on the display.
Understanding Radio Reception
FM Stereo
FM
stereo will give you the best sound. But FM signals
will reach only about 10 to 40 miles (16 to 65 km). Tall
buildings or hills can interfere with FM signals, causing
the sound to come and go.
3. Press SCAN to make the first digit appear.
4. Press SEEK right arrow or SEEK left arrow to make
AM
the next two digits agree with your code. The display The range for most AM stations is greater than for FM,
will show the numbers you entered. especially at night. The longer range, however, can
cause stations to interfere with each other. AM can pick
5. Press BAND and 000 will appear on the display.
up noise from things like storms and power lines. Try
6. Enter the second three digits of the code. The display reducing the treble to reduce this noise if you ever get it.
will show the numbers you entered.
7. Press BAND. The disabling sequence was correct
if
---
shows on the display. The disabling sequence
was incorrect if SEC shows on the display.
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