lock CHEVROLET LOW CAB FORWARD 2017 Service Manual

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Instruments and Controls 87
reserve is greatly reduced each
time you apply and release the
brakes.
. Stopping distance may be
longer.
. You may have to push much
harder on the brake pedal.
. Have the vehicle repaired before
you continue driving.
The buzzer stops when the selector
lever is shifted to the P position.
{Warning
Do not drive while the buzzer
sounds as the brakes are not
operating to their full capacity.
You and others could be seriously
injured.
Antilock Brake System
(ABS) Warning Light
This light comes on briefly when the
engine control switch is turned to
the ON position, and then should go
out after approximately
three seconds. If the light does not
come on, have it fixed so it will be
ready to warn if there is a problem.
This warning light comes on
together with the brake system
warning light whenever there is a
problem in the Anti-lock Brake
System (ABS). In this case, the ABS
stops working but the brakes still
function as ordinary service brakes.
{Warning
If this warning light comes on
while driving, immediately stop
your vehicle at a safe place well
clear of traffic and take the
following actions.
1. Stop the engine.
2. Restart the engine. Check ifthe ABS warning light
comes on and then goes
out. If it does, there is no
problem. The ABS operates
normally.
3. Move the vehicle slowly forward. Gradually increase
the speed to 15 km/h
(9 mph). If the light goes off,
the ABS is normal.
If the light does not come on or
go out, or comes on frequently,
contact your dealer immediately
and have the system repaired. (Continued)

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
88 Instruments and Controls
Warning (Continued)
Even if a problem has occurred in
the ABS, the brakes will still work
as normal brakes. In this case,
the ABS has no influence on the
operation of the brake system.
See Brake System Warning Light
(Parking Brake Light) 084 and
Antilock Brake System (ABS) 0217.
Exhaust Brake Light
For diesel vehicles, this light comes
on when the exhaust switch is
pulled and the engine is running.
See Exhaust Brake (Diesel Only)
0 222.
Service Transmission
Warning Light
For diesel vehicles, this light comes
on briefly when the engine control
switch is in the ON position, as a
check
to show the light is working.
It should go out when the engine is
started.
If the warning light starts to blink
while driving, it indicates that there
is a malfunction in the automatic
transmission’s electronic control
system. If the warning light is
blinking, see your dealer for service.
Automatic Transmission
Fluid Temperature
Warning Light
For diesel vehicles, this light comes
on briefly when the engine control
switch is in the ON position, but the
engine is not running, as a check to
show the light is working. It should
go out when the engine is started.
The Automatic Transmission Fluid
(ATF) Temperature warning light
comes on if the ATF temperature is
high. This usually occurs when the
transmission is overfilled and may
be accompanied by leakage of fluid
from the transmission
breather hose.
If the light stays on, or comes on
while driving, slow down and pull off
the road. Stop the vehicle at a safe
place and put the vehicle in

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
90 Instruments and Controls
Do not run the engine with this light
on. It could damage the engine.
When this light comes on while
driving, a warning tone also sounds.
The oil level varies while the engine
is running right after it has stopped
or if the vehicle is on uneven
ground. As a result, the red engine
oil pressure warning light may
light up.
When checking the oil level for
Diesel engines, press the engine oil
level check switch on level ground
while the engine is cool. The red
engine oil pressure warning light in
combination with the green engine
oil level indicator light can indicate if
the engine oil level is OK or low.
While driving, on vehicles with the
5.2L diesel engine, this light will
also activate the engine alarm and
automatic shutdown system.
For gasoline vehicles, when this
warning light comes on, and the oil
level is correct, the lubrication
system may be faulty. See your
dealer for service.See
Engine Oil Level Indicator Light
0 90 and Engine Oil (Gasoline)
0 257 orEngine Oil (Diesel) 0251.
Engine Oil Level Indicator
Light
When the engine oil level check
switch is pushed with the engine
control switch in LOCK, the green
engine oil level indicator light will
come on if the engine oil level
is OK.
See Engine Oil Pressure Light 089
and Engine Oil (Gasoline) 0257 or
Engine Oil (Diesel) 0251.
Diesel Exhaust Fluid
(DEF) Warning Light
This light should come on briefly
when the engine control switch is
turned to the ON position, and go off
when the engine has started.
This light comes on as a warning
related to the selective catalytic
reduction (SCR) system. If this light
comes on, check the DEF gauge.
Add DEF if necessary. If DEF level
is OK, have your vehicle serviced
by your dealer.
Also see Diesel Exhaust Fluid
0 189.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
94 Instruments and Controls
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 selectorclockwise 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. 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

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Instruments and Controls 95
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.
SeeInstrument Panel Illumination
Control 0106.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 (Diesel
Only) 097.
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 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

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
96 Instruments and Controls
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.
Vehicle speed will be severely
limited when the DEF tank is empty.
Be sure to add DEF in advance of
the empty status. See
Diesel
Exhaust Fluid 0189.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Lighting 103
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . 103
Headlamp High/Low-BeamChanger . . . . . . . . . . . . . . . . . . . . 104
Flash-to-Pass . . . . . . . . . . . . . . . . 104
Hazard Warning Flashers . . . . . 105
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . 105
Cornering Lamps . . . . . . . . . . . . . 106
Interior Lighting
Instrument Panel Illumination Control . . . . . . . . . . . . . . . . . . . . . . 106
Cargo Lamp . . . . . . . . . . . . . . . . . . 107
Dome Lamps . . . . . . . . . . . . . . . . . 107
Exterior Lighting
Exterior Lamp Controls
Turning the light control switch to
the following positions will cause the
relevant lights to illuminate.
The light control switch can be used
when the engine control switch is
placed in the LOCK or ACC
position. Do not operate the
combination lights for an extended
time period with the engine stopped.
Otherwise, the battery may go dead,
making it impossible to restart the
engine.
9: Turns off all exterior lights.
;:Turns on the parking lights
including all exterior lights, except
the headlights.
2: Turns on the headlights
together with the parking lights,
sidemarker lights, roofmarker lights,
taillights, license plate light, and
instrument panel lights.
When you start the engine in
daytime, with the lighting switch off,
and release the parking brake, the
daytime running lights will come on.
See Daytime Running Lamps (DRL)
Indicator Light 092 and Turn and
Lane-Change Signals 0105.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Infotainment System 109
(1) Eject button
(2) FLD/CH button
(3) CD slot
(4) TUNE/TRACK button
(5) Volume control button
(6) USB terminal
(7) Mini jack
(8) FUNC/DISP button
(9) MODE/Power button
Turning the Power On
Press the "MODE/Power" button to
turn the power on. Press and hold it
for 1 second or more to turn the
power off. Volume Adjustment
Press the "Volume control" button to
adjust the volume.
S: Volume will increase 1 step
every time the button is pressed.
Volume will continuously increase
when the button is pressed
continuously.
— : Volume will decrease 1 step
every time the button is pressed.
Volume will continuously decrease
when the button is pressed
continuously.
It can be adjusted between 63
(maximum) and 0. Default setting is 19.
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.
Function Setting Mode
Adjustment of bass, treble, fader,
and balance, and setting of clock
display and time can be performed.
Adjustment of Bass Level
1. Press the "FUNC" button to display "BAS."
2. Press the "TUNE/TRACK" button ("
y z") while "BAS" is
displayed to adjust the bass
level.
y: Level will increase every
time the button is pressed.
z: Level will decrease every
time the button is pressed.
It can be adjusted in the range
of -5 . -4 . -3 . -2 . -1 . 0 . 1 . 2 .
3 . 4 . 5.
Default setting is 0.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
110 Infotainment System
Adjusting Treble1. Press the "FUNC" button to display "TRE."
2. Press the "TUNE/TRACK" button ("
y z") while "TRE" is
displayed to adjust the treble
level.
y: Level will increase every
time the button is pressed.
z: Level will decrease every
time the button is pressed.
It can be adjusted in the range
of -5 . -4 . -3 . -2 . -1 . 0 . 1 . 2 .
3 . 4 . 5.
Default setting is 0.
Adjusting Fader 1. Press the "FUNC" button to display "FAD."
2. Press the "TUNE/TRACK" button ("
y z") while "FAD" is
displayed to adjust the front
and rear speaker volume.
y: Front speaker volume will
increase every time the button
is pressed.
z: Rear speaker volume will
increase every time the button
is pressed.
It can be adjusted in the range
of R7 . R6 . R5 . R4 . R3 . R2 .
R1 . 0 . F1 . F2 . F3 . F4 . F5 .
F6 . F7.
Default setting is 0.
Adjustment of rear speaker volume
is not possible if there are no rear
speakers installed.
Adjusting Balance 1. Press the "FUNC" button to display "BAL."
2. Press the "TUNE/TRACK" button ("
y z") while "BAL" is
displayed to adjust the balance
of volume from the left and
right speakers.
y: Right speaker volume will
increase every time the button
is pressed.
z: Left speaker volume will
increase every time the button
is pressed. It can be adjusted in the range
of L7 . L6 . L5 . L4 . L3 . L2 .
L1 . 0 . R1 . R2 . R3 . R4 . R5 .
R6 . R7.
Default setting is 0.
Switching the Time Display 1. Press the "FUNC" button for less than 1 second to
display "CLK."
2. Press the "TUNE/TRACK" button ("
y z") while “CLK”is
displayed and select
“ON"/"OFF."
"ON": Clock is displayed.
"OFF": Clock is not displayed.
When the clock display is "ON," it is
displayed prioritized over the audio
display (radio frequency, song
number, or elapsed time).
When the power source is
interrupted by battery disconnection,
the time of the clock will be reset.
Setting the Hour 1. Press the "FUNC" button to display "CLK" and make the
clock display (hours) blink.

Chevrolet Low Cab Forward Owner Manual (GMNA-Localizing-U.S.-
10716700) - 2017 - crc - 12/6/16
Infotainment System 111
2. Press the "TUNE/TRACK"button ("
y z") while the
clock display (hours) is blinking
to adjust the time (hours).
y: Time (hours) will increase
every time the button is
pressed.
z: Time (hours) will decrease
every time the button is
pressed.
Setting the Minutes 1. Press the "FUNC" button to display "CLK" and make the
clock display (minutes) blink.
2. Press the "TUNE/TRACK" button ("
y z") while the
clock display (minutes) is
blinking to adjust the time
(minutes).
y: Time (minutes) will
increase every time the button
is pressed.
z: Time (minutes) will
decrease every time the button
is pressed.
Tuner Mode Operations
Tuning
1. Press the "MODE" button when the power is on to select either
AM radio or FM radio.
It is switched to AM radio when
"AM" is displayed, and FM
radio when "FM" is displayed.
2. Press the "TUNE" button ("
y
z
") for less than 2 seconds to
select a radio station manually.
The display should be checked
in order to adjust the frequency
because AM radio frequency
will range from 10 kHz or FM
radio frequency will range from
0.2 MHz.
Press the "TUNE" button ("
y
z
") for 2 seconds or longer to
select a radio station
automatically. The automatic
tuning will stop after detecting
a receivable station. Press the
"TUNE" button ("
y z") again
to cancel this function. When the displayed frequency
reaches the highest frequency, it will
return to the lowest frequency.
When the lowest frequency has
been reached, it will return to the
highest frequency.
Program your preferred radio
stations to the preset channels in
advance to conveniently use while
driving.
Reception frequency :
AM 530 - 1710 kHz (10 kHz step)
FM 87.7 - 107.9 MHz (0.2
MHz step)
Calling Out Preset Channels
A maximum of 6 stations can be
programmed and called out in the
"Preset" channels for each of the
FM radio and AM radio.
1. Press the "CH" button for less than 2 seconds.
2. Press the "TUNE" button ("
y
z
") and select the station
programmed in the preset
channels.