2020 CHEVROLET LOW CAB FORWARD clock

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Seats and Restraints 29
{Warning
Do not adjust the reclining
seatback on the driver's seat
while the vehicle is moving. The
seatback could jerk and cause a
loss of control. You and others
could be seriously injured.
To recline the seatback, raise the
seatback tilt lever and gently lean
back to the desired position.To move the seatback forward, lean
forward with your back slightly clear
of the seatback and raise the lever.
After making adjustments, check
that the seatback is fully locked.
Suspension Adjustment
Avoid making any kind of contact
with the pointer on the scale. Doing
so may result in damage to the
pointer, preventing appropriate
weight adjustments from being
possible.
Before sitting on the seat, use the
knob to adjust the suspension to
suit your weight. Turn the knob
clockwise to move the pointer downthe scale and counterclockwise to
move it up the scale. The pointer
should be alongside your weight on
the scale.
The range of adjustment is
50-130 kg (110-290 lbs). If your
weight is outside this range, the
suspension may not be fully
effective. However, you will be able
to sit in the correct position for
driving.
Passenger
’s Seat/Center Seat
{Warning
Baggage must not be placed on
the center seat. If the baggage
falls on the floor when braking, it
may prevent the driver from
operating the pedals. You and
others could be seriously injured.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Instruments and Controls 71
2. Automatic transmission shiftindicator
3. Diesel Exhaust Fluid (DEF) gauge
{Warning
Warning or indicator lights
indicated on the DIC can be
temporarily cleared (for
60 seconds) by pressing the DIC
selector once. However, if the
warning light you have cleared is
an engine overheat warning or
other critical circumstance, never
continue driving without taking the
necessary actions. Otherwise,
you will be in danger of vehicle
breakdown or accident. Should
any of the critical warning lights
come on, immediately contact the
nearest dealer.
DIC Menu Items
Use the DIC selector to access the
following menu items.
Language
Select English, French, or Spanish
by turning the DIC selector
clockwise or counterclockwise.
Fuel Economy
The system calculates and stores
the distance traveled and fuel
consumption while driving to
encourage the operator to drive the
vehicle economically. Press the DIC
selector once or more to select fuel economy. Turn the selector
clockwise or counterclockwise to
toggle through the items: average
fuel economy, per trip fuel economy,
and instantaneous fuel economy.
.
Average Fuel Economy:
Indicates the average fuel
economy over the total distance
traveled.
. Per Trip Fuel Economy:
Indicates the per trip fuel
economy based on the mileage
in the TRIP B.
. Instantaneous Fuel Economy:
Indicates the fuel economy at a
given moment while driving.
How to Reset the Per Trip Fuel
Economy
Per trip fuel economy is also cleared
when you reset the TRIP B to zero.
Voltmeter
The voltmeter shows the current
status of the charge of the battery.
Green indicates the current status of
the charge of the battery.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
72 Instruments and Controls
Red means the battery voltage is
too low or too high. If the voltmeter
sign appears in red, have the
vehicle checked and serviced at
your dealer. During or immediately
after the engine is started, a red
abnormal L voltage may display on
the DIC. If the warning disappears
after the engine has started, there is
no problem with the battery voltage.
Calendar and Clock
{Warning
The calendar and clock can be
set only while the vehicle is
stationary. When setting the
calendar or clock, park your
vehicle in a safe place where
stopping or parking is permitted
and that is well clear of traffic.
Press the DIC selector once or
more to select the calendar. Press
and hold the DIC selector to enter
the clock setting screen. The year
segment will flash. Turn the DIC
selector clockwise or
counterclockwise to increase or decrease the year. While in the year
setting screen, press the DIC
selector once to switch to the month
setting screen. The month segment
will flash. Use the same method to
set the month. While in the month
setting screen, press the DIC
selector again to switch to the day
setting mode. Adjust the day using
the selector.
Press and hold the DIC selector to
complete the calendar setting.
When complete, the normal
calendar display will resume. Use
this same method to set the hour
and minute when in the clock setting
screen.
Dimmer
The brightness of the DIC can be
adjusted while the light control
switch is off. Select this screen and
turn the DIC selector clockwise or
counterclockwise to brighten or dim
the illumination. The brightness is
linked to the adjustment of the
instrument panel light level control
while the light control switch is on.
See
Instrument Panel Illumination
Control 083.
Warning Lights and Messages
.
Engine Overheat Warning Light
. Low Coolant Warning Light
. Water Separator Warning Light
. Air Cleaner Light
. Low Fuel Warning Light
. Regeneration Warning Lights
. Exhaust System Warning Light
. Refill DEF Warning Light
. DIC Errors
. Maintenance Data
. Hour Meter
See Vehicle Messages 074.
Maintenance Data Functions
Display/Not Display the
Maintenance Data Function
Maintenance Light: On the DIC, go
to the Maintenance Indicator Light.
Switch the display by pressing and
holding the DIC selector for more
than two seconds. Turn the DIC
selector clockwise or
counterclockwise to switch the

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Instruments and Controls 73
display. Complete the resetting by
pressing and holding the DIC
selector for more than two seconds.
To cancel the setting procedure,
press the DIC selector once. The
display will go back to the previous
screen.
Resetting/Setting the Change
Interval (Odometer Reading)
Engine Oil and Filter Light :On
the DIC, go to the engine oil and
filter light. Enter the resetting screen
by pressing and holding the DIC
selector for more than two seconds.
Complete the resetting by pressing
and holding the DIC selector for
more than two seconds.
Transmission and Differential
Gear Oil Light, Fuel Filter Light,
Power Steering Fluid Light, and
Tire Rotation Light : On the DIC,
go to the particular maintenance
item to reset/adjust. Enter the
setting change screen by pressing
and holding the DIC selector. Set
the change interval by turning the
DIC selector. (Transmission and
Differential Oil, Steering Fluid, and Tire Rotation Only). Turn clockwise
to increase distance and
counterclockwise to decrease
distance. The distance increases
and decreases by 4,000 km
(2,500 mi) increments. Complete the
resetting by pressing and holding
the DIC selector.
Transmission and Differential Gear
Oil and Power Steering Fluid: Initial
value: 48,000 km (30,000 mi).
Adjustable minimum value:
32,000 km (20,000 mi). Adjustable
maximum value: 48,000 km
(30,000 mi).
Tire Rotation: Initial value: OFF.
Adjustable minimum value:
6,000 km (4,000 mi). Adjustable
maximum value: 62,000 km
(39,000 mi).
Starter Indicator Light :
On the
DIC, go to the starter indicator light.
Enter the resetting screen by
pressing and holding the DIC
selector for more than ten seconds.
Complete the resetting by pressing
and holding the DIC selector for
more than ten seconds. If you want to cancel the setting
procedure, press the DIC selector
once. The display will go back to the
previous screen.
Diesel Exhaust Fluid (DEF)
Gauge
With the engine control switch in the
ON position, this gauge indicates
the approximate quantity of DEF
remaining in the DEF tank. F means
the tank is full and E means the
tank is almost empty. When only
one green bar is showing, the DEF
tank is almost empty and should be
refilled soon. If the vehicle is driven
too long with only one bar, the green
will change to amber and additional
warnings and indicators will display.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Infotainment System 87
*4 This mode is skipped when
an auxiliary player is not
connected.
Adjusting the Volume
Turn the MODE/
O/ENTER knob
clockwise or counterclockwise to
increase or decrease the volume.
Turning the power on or off with the
volume set to maximum will damage
the equipment and your hearing. Set
the volume to a moderate level.
The MODE/
O/ENTER knob keeps
on turning until you stop. However,
the volume itself is limited, and even
if you keep on turning the MODE/
O
/ENTER knob clockwise or
counterclockwise, the volume is
kept to a certain degree.
When the gear lever is moved to the
reverse (R) position, the system will
automatically mute the sound.
Function Setting Mode
Adjustment of bass, treble, fader,
and balance, and setting of clock
display and time can be performed. Adjusting Bass
1. Press FUNC.
2. Turn MODE/
O/ENTER to
select SOUND, and then press
ENTER.
3. Turn MODE/
O/ENTER to
select BASS, and then press
ENTER.
4. Turn MODE/
O/ENTER
clockwise or counterclockwise
to adjust the level, and then
press ENTER.
Adjusting Treble 1. Press FUNC.
2. Turn MODE/
O/ENTER to
select SOUND, and then press
ENTER.
3. Turn MODE/
O/ENTER to
select TREBLE, and then press
ENTER.
4. Turn MODE/
O/ENTER
clockwise or counterclockwise
to adjust the level, and then
press ENTER. Adjusting Fader
1. Press FUNC.
2. Turn MODE/
O/ENTER to
select SOUND, and then press
ENTER.
3. Turn MODE/
O/ENTER to
select FADER, and then press
ENTER.
4. Turn MODE/
O/ENTER
clockwise or counterclockwise
to adjust the front or rear
speakers, and then press
ENTER.
Adjustment of rear speaker volume
is not possible if there are no rear
speakers installed.
Adjusting Balance 1. Press FUNC.
2. Turn MODE/
O/ENTER to
select SOUND, and then press
ENTER.
3. Turn MODE/
O/ENTER to
select BALANCE, and then
press ENTER.

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
88 Infotainment System
4. Turn MODE/O/ENTER
clockwise or counterclockwise
to adjust the right or left
speakers, and then press
ENTER.
Clock Display 1. Press FUNC.
2. Turn MODE/
O/ENTER to
select CLOCK, and then press
ENTER.
3. Turn MODE/
O/ENTER
clockwise or counterclockwise
to select OFF or ON, and then
press ENTER.
Time is not reset when clock mode
is turned off.
Setting the Time
1. Press FUNC.
2. Turn MODE/
O/ENTER to
select CLOCK, and then press
ENTER. 3. Turn MODE/
O/ENTER
clockwise or counterclockwise
to select SET, and then press
ENTER.
4. Turn MODE/
O/ENTER to set
the clock time (hour), and then
press ENTER. Turn clockwise
or counterclockwise to move
one hour forward or one hour
backward.
5. Turn MODE/
O/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 mode, press
0while
setting the clock time (minute).
Tuner Mode Operation
Turning on the Radio
1. Press MODE/
O/ENTER. 2. Turn MODE/
O/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:
1. Press Tune/Track
yorzfor
less than one second.
2. Press Tune/Track
yorzfor
less than one second again to
select the station of your
choice.
Automatic tuning:
1. Press Tune/Track
yorzfor
less than 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
y
orzfor more than
two seconds. The radio keeps

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Infotainment System 107
The following operations are based
on the sample MP3/WMA file
structure given above.
Normally, tracks in ROOT FOLDER
will be played in order from the
first file.Auxiliary Devices
AUX Operation
By connecting the 3.5 mm
headphone jack of your own
portable audio device to the Mini
jack, you can listen to your own
music through this unit.1. Use a mini plug cable, and connect the portable audio
device to the Mini jack. 2. Press MODE/
O/ENTER.
3. Turn MODE/
O/ENTER to
select AUX, and then press
ENTER.
Connecting a mini plug cable to the
Mini jack also establishes the AUX
mode and enables you to use the
portable audio device.
When the mini plug cable is
disconnected from the main unit, the
AUX mode is cancelled.
Adjusting the Volume
Turn the Volume adjust knob
clockwise or counterclockwise to
adjust the volume.
. Turn clockwise: Increase the
volume.
. Turn counterclockwise:
Decrease the volume.
{Warning
.Either place the portable
audio device and mini plug
cable somewhere where
(Continued)

Chevrolet Low Cab Forward 5.2L Diesel Engine 4500 HD/XD/5500 HD/XD
Owner Manual (GMNA-Localizing-U.S.-13337621) - 2020 - crc - 12/5/18
Infotainment System 117
You can enter phone numbers
by one digit at a time.
Alphanumeric characters and
the following symbols are
available. '< > * + - . / \ = _
(space)
y: Advance to the next digit.
z: Delete the entered digit and
return to the previous digit.
5. After entering the name, press ENTER.
SAVED is displayed and the
name registration to the Speed
Dial is complete.
Setting the Volume
Call Volume: Turn Volume Adjust
during a call.
. Turn clockwise: Increase the
volume.
. Turn counterclockwise:
Decrease the volume. The
adjusted volume value is saved.
Ringtone Volume: Turn Volume
Adjust during an incoming call. .
Turn clockwise: Increase the
volume.
. Turn counterclockwise:
Decrease the volume. The
adjusted volume value is saved.
The volume and microphone gain
setting of each mobile phone is
different according to its
specification.
Setting the Sensitivity of the
Built-In Microphone
If your voice is too low or difficult to
hear for the person you are talking
to, or there is an echo or howling,
you can adjust the microphone
sensitivity.
Press the Level Adjust during a call.
y: Increase the sensitivity. (The
sound transmission is more
effective.)
z: Decrease the sensitivity. (The
sound transmission is less
effective.)
The setting can be adjusted within
the range of zero to MAX (10).
(Default: five). MIC LEVEL is displayed. MIC
LEVEL disappears in two seconds
after the operation is completed,
and the display returns to its original
state.
Talking on the Mobile Phone
(Private Mode)
You can switch phone calls from this
unit (handsfree mode) to the mobile
phone.
Press and hold down the Off Hook
for more than one second during
a call.
Entering Tone Numbers
You can transmit tone numbers
during a call.
1. Press FUNC during a call.
2. Turn MODE/
O/ENTER to
select the tone number. You
can enter phone numbers by
one digit at a time.
Numeric character (0-9) and
symbols (*, #, +) are available.
You can use the symbols (+)
only for the first digit.