Radio Reception - Chevrolet 4500 HD 2023 Manual

82 Infotainment System
5. Turn MODE/ /ENTER to set the clock
time (minute), and then press ENTER.
Turn clockwise or counterclockwise to
move one minute forward or one minute
backward.
To return to the clock time (hour) setting
0
mode, press while setting the clock
time (minute).
Tuner Mode Operation
Turning on the Radio
1. Press MODE/ /ENTER.
2. Turn MODE/ /ENTER to select "FM1",
"FM2", "FM3", "AM1" or "AM2", and then
press the "ENTER" button.
Follow one of the procedures below to tune.
Tuning
Manual tuning:
y z
1. Press Tune/Track or
one second.
y z
2. Press Tune/Track or
one second again to select the station of
your choice.
Automatic tuning:
1. Press Tune/Track
two seconds but more than one second.
The radio starts searching for stations,
and stops when it finds a station.
2. Press and hold Tune/Track
more than two seconds. The radio keeps
searching for stations within its available
frequency band. To cancel, press the
button again.
When Tune/Track
tuned to the higher frequency range (step
up), and to the lower frequency range (step
down) when pressing Tune/Track
In both cases, if the radio cannot find
stations, it continues searching.
Storing the Stations (PRESET)
Favorite stations can be tuned by one touch
operation if they are stored in the Preset
for less than
buttons.
A maximum of 30 stations can be
for less than
memorized and stored. 12 in AM (six each
for AM1 and AM2.), and 18 in FM (six each
for FM1, FM2 and FM3.)
1. Select the radio mode to be stored from
FM1, FM2, FM3, AM1 or AM2.
y z
or for less than
y z
or for
y
is pressed, the radio is
z
.
2. Tune in the station of your choice.
3. Press and hold down the Preset buttons
you want to store in, for more than
two seconds. When the station is stored,
the Preset button number and station
frequency appear on the display window.

Radio Reception

Usually, a problem with radio reception does
not mean there is a problem with your
radio. It is just the normal result of
conditions outside the vehicle. For example,
nearby buildings and terrain can interfere
with FM reception. Power lines or telephone
wires can interfere with AM signals.
And of course, radio signals have a limited
range. The farther you are from a station,
the weaker its signal will be. In addition,
reception conditions change constantly as
your vehicle moves.
Here are some common reception problems
that probably do not indicate a problem
with your radio.
FM Transmissions
Fading and drifting stations - Generally, the
effective range of FM is about 40 km
(25 mi). Once outside this range, you may