2021 CHEVROLET EXPRESS CARGO service

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Instruments and Controls 79
Lane Departure Warning (LDW)
Light
This light is green if LDW is on and ready to
operate.
This light changes to amber and flashes to
indicate that the lane marking has been
crossed without using a turn signal in that
direction.
SeeLane Departure Warning (LDW) 0157.
Vehicle Ahead Indicator
If equipped, this indicator will display green
when a vehicle is detected ahead and amber
when you are following a vehicle ahead
much too closely. See
Forward Collision Alert (FCA) System
0 154.
StabiliTrak OFF Light
This light comes on briefly while starting
the engine. If it does not, have the vehicle
serviced by your dealer.
This light comes on when the StabiliTrak/
Electronic Stability Control (ESC) system is
turned off. If StabiliTrak/ESC is off, the
Traction Control System (TCS) is also off.
If the StabiliTrak/ESC and TCS are off, the
system does not assist in controlling the
vehicle. Turn on the TCS and the StabiliTrak/
ESC systems and the warning light turns off.
See Traction Control/Electronic Stability
Control 0147.
Traction Control System (TCS)/
StabiliTrak Light
This light comes on briefly when the vehicle
is turned on.
If the light does not come on, have the
vehicle serviced by your dealer. If the
system is working normally, the indicator
light turns off.
If the light is on and not flashing, the TCS
and potentially the StabiliTrak/ESC system
are not fully operational and may not assist
in maintaining control. Adjust driving
accordingly. If the condition persists, see
your dealer as soon as possible. A Driver
Information Center (DIC) message may
display.
The light flashes when the TCS and/or the
StabiliTrak/ESC system is actively working.
See Traction Control/Electronic Stability
Control 0147.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
80 Instruments and Controls
Tire Pressure Light
For vehicles with the Tire Pressure Monitor
System (TPMS), this light comes on briefly
when the engine is started. It provides
information about tire pressures and
the TPMS.
When the Light Is On Steady
This indicates that one or more of the tires
are significantly underinflated.
A Driver Information Center (DIC) tire
pressure message may also display. Stop as
soon as possible, and inflate the tires to the
pressure value shown on the Tire and
Loading Information label. SeeTire Pressure
0 217.
When the Light Flashes First and Then Is On
Steady
If the light flashes for about a minute and
then stays on, there may be a problem with
the TPMS. If the problem is not corrected, the light will come on at every ignition
cycle. See
Tire Pressure Monitor Operation
0 218.
Engine Oil Pressure Light
Caution
Lack of proper engine oil maintenance
can damage the engine. Driving with the
engine oil low can also damage the
engine. The repairs would not be covered
by the vehicle warranty. Check the oil
level as soon as possible. Add oil if
required, but if the oil level is within the
operating range and the oil pressure is
still low, have the vehicle serviced.
Always follow the maintenance schedule
for changing engine oil.
This light should come on briefly as the
engine is started. If it does not come on,
have the vehicle serviced by your dealer. If the light comes on and stays on, it means
that oil is not flowing through the engine
properly. The vehicle could be low on oil
and might have some other system
problem. See your dealer.
Low Fuel Warning Light
English Shown, Metric Similar
A Low Fuel Warning Light near the fuel
gauge comes on briefly when the ignition is
turned on as a check to show it is working.
It also comes on, and a chime sounds when
the fuel gauge indicator nears empty. The
light turns off when fuel is added. If it does
not, have the vehicle serviced.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Instruments and Controls 81
Security Light
The security light should come on briefly as
the engine is started. If it does not come on,
have the vehicle serviced by your dealer.
If the system is working normally, the
indicator light turns off.
If the light stays on and the engine does
not start, there could be a problem with the
theft-deterrent system. SeeImmobilizer
Operation 017.
High-Beam On Light
This light comes on when the high-beam
headlamps are in use. See
Headlamp High/Low-Beam Changer
0 91.
Cruise Control Light
This light comes on when the cruise control
is set.
This light goes out when the cruise control
is canceled. See Cruise Control0149.
Information Displays
Driver Information Center (DIC)
This vehicle has a DIC.
All messages will appear in the DIC display
at the bottom of the instrument cluster.
The DIC comes on when the ignition is on.
After a short delay, the DIC will display the
information that was last displayed before
the engine was turned off. The DIC displays trip, fuel, and vehicle
system information, and warning messages
if a system problem is detected.
If the vehicle has these features, the DIC
also displays the compass direction and the
outside air temperature when viewing the
trip and fuel information. The compass
direction appears on the top right corner of
the DIC display. The outside air temperature
automatically appears in the bottom right
corner of the DIC display. If there is a
problem with the system that controls the
temperature display, the numbers will be
replaced with dashes. If this occurs, have the
vehicle serviced by your dealer.
If the vehicle has a diesel engine, see the
Duramax diesel supplement.
DIC Operation and Displays
The DIC has different displays which can be
accessed by pressing the DIC buttons on the
instrument panel, next to the instrument
cluster.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
84 Instruments and Controls
of the current oil life remains. The engine oil
life system will alert you to change the oil
on a schedule consistent with your driving
conditions.
When the remaining oil life is low, the
CHANGE ENGINE OIL SOON message will
appear on the display. You should change
the oil as soon as possible. SeeEngine Oil
0 184. In addition to the engine oil life
system monitoring the oil life, additional
maintenance is recommended. See
Maintenance Schedule 0251.
Remember, you must reset the OIL LIFE
yourself after each oil change. It will not
reset itself. Also, be careful not to reset the
OIL LIFE accidentally at any time other than
when the oil has just been changed.
It cannot be reset accurately until the next
oil change. To reset the engine oil life
system, see Engine Oil Life System 0186.
Side Blind Zone Alert
If the vehicle has Side Blind Zone Alert
(SBZA), this display allows the system to be
turned on or off. Press
Tuntil SBZA
displays. Once in this display, press
Vto
select between ON or OFF. When the SBZA system is turned off, a DIC message will
display. See
Side Blind Zone Alert (SBZA)
0 155.
Park Assist
If the vehicle has the Rear Park Assist (RPA)
system, press
Tuntil PARK ASSIST
displays. This display allows the system to
be turned on or off. Once in this display,
press to select between ON or OFF. The RPA
system automatically turns back on after
each vehicle start. When the RPA system is
turned off and the vehicle is shifted out of
P (Park), the DIC will display the PARK
ASSIST OFF message as a reminder that the
system has been turned off. See Park Assist
0 153.
Units
Press
Tuntil UNITS displays. This display
allows you to select between metric or
English units of measurement. Once in this
display, press
Vto select between METRIC
or ENGLISH units.
Tire Pressure
If the vehicle has the Tire Pressure Monitor
System (TPMS), the pressure for each tire
can be viewed in the DIC. The tire pressure
will be shown in either kilopascals (kPa) or pounds per square inch (psi). Press
Tuntil
the DIC displays FRONT TIRES PSI (kPa)
LEFT ## RIGHT ##. Press
Tagain until the
DIC displays REAR TIRES PSI (kPa) LEFT ##
RIGHT ##.
If a low tire pressure condition is detected
by the system while driving, a message
advising you to check the pressure in a
specific tire will appear in the display. See
Tire Pressure 0217.
If the tire pressure display shows dashes
instead of a value, there may be a problem
with the vehicle. If this consistently occurs,
see your dealer for service.
Engine Hours
Press
Tuntil ENGINE HOURS displays. This
display shows the total number of hours the
engine has run.
Relearn Tire Positions
The vehicle may have this display. To access
this display, the vehicle must be in P (Park).
If the vehicle has the Tire Pressure Monitor
System (TPMS), after rotating the tires or
after replacing a tire or sensor, the system
must re-learn the tire positions. To re-learn

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Instruments and Controls 85
the tire positions, seeTire Pressure Monitor
System 0218. See Tire Inspection 0221 and
Tire Rotation 0221.
Change Compass Zone
The vehicle may have this feature. To
change the compass zone through the DIC,
see Compass 067.
Calibrate Compass
The vehicle may have this feature. The
compass can be manually calibrated. To
calibrate the compass through the DIC, see
Compass 067.
Blank Display
This display shows no information.
Vehicle Messages
Messages displayed on the DIC indicate the
status of the vehicle or some action that
may be needed to correct a condition.
Multiple messages may appear one after
another.
The messages that do not require
immediate action can be acknowledged and
cleared by pressing
V. The messages that
require immediate action cannot be cleared
until that action is performed. All messages should be taken seriously;
clearing the message does not correct the
problem.
If a SERVICE message appears, see your
dealer.
Follow the instructions given in the
messages. The system displays messages
regarding the following topics:
.Service Messages
.Fluid Levels
.Vehicle Security
.Brakes
.Steering
.Ride Control Systems
.Driver Assistance Systems
.Cruise Control
.Lighting and Bulb Replacement
.Wiper/Washer Systems
.Doors and Windows
.Seat Belts
.Airbag Systems
.Engine and Transmission
.Tire Pressure
.Battery
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's
propulsion power is reduced. A reduction in
propulsion power can affect the vehicle's
ability to accelerate. If this message is on,
but there is no observed reduction in
performance, proceed to your destination.
Under certain conditions the performance
may be reduced the next time the vehicle is
driven. The vehicle may be driven while this
message is on, but maximum acceleration
and speed may be reduced. Anytime this
message stays on, or displays repeatedly,
the vehicle should be taken to your dealer
for service as soon as possible.
Under certain operating conditions,
propulsion will be disabled. Try restarting
after the ignition has been off for
30 seconds.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Lighting 95
The exterior lamps and dome lamp remain
on after the door is closed for a set amount
of time, then automatically turn off.
The exterior lamps turn off immediately by
turning the exterior lamp control off. The
exit lighting for exterior lights can be
changed. SeeVehicle Personalization 086.
Battery Load Management
The vehicle may have Electric Power
Management (EPM) that estimates the
battery's temperature and state of charge.
It then adjusts the voltage for best
performance and extended life of the
battery.
When the battery's state of charge is low,
the voltage is raised slightly to quickly bring
the charge back up. When the state of
charge is high, the voltage is lowered
slightly to prevent overcharging. If the
vehicle has a voltmeter gauge or a voltage
display on the Driver Information Center
(DIC), you may see the voltage move up or
down. This is normal. If there is a problem,
an alert will be displayed.
The battery can be discharged at idle if the
electrical loads are very high. This is true for
all vehicles. This is because the generator (alternator) may not be spinning fast
enough at idle to produce all the power that
is needed for very high electrical loads.
A high electrical load occurs when several of
the following are on, such as: headlamps,
high beams, fog lamps, rear window
defogger, climate control fan at high speed,
heated seats, engine cooling fans, trailer
loads, and loads plugged into accessory
power outlets.
EPM works to prevent excessive discharge of
the battery. It does this by balancing the
generator's output and the vehicle's
electrical needs. It can increase engine idle
speed to generate more power, whenever
needed. It can temporarily reduce the power
demands of some accessories.
Normally, these actions occur in steps or
levels, without being noticeable. In rare
cases at the highest levels of corrective
action, this action may be noticeable to the
driver. If so, a Driver Information Center
(DIC) message might be displayed, such as
SERVICE BATTERY CHARGING SYSTEM. If this
messages displays, it is recommended that
the driver reduce the electrical loads as
much as possible.
Battery Power Protection
This feature shuts off the interior lamps if
they are left on for more than 10 minutes
when the ignition is off. This helps to
prevent the battery from running down.
Exterior Lighting Battery Saver
The exterior lamps turn off about 10 minutes
after the ignition is turned off, if the parking
lamps or headlamps have been manually
left on. This protects against draining the
battery. To restart the 10-minute timer, turn
the exterior lamp control to the
Oposition
and then back to the
;or2position.
To keep the lamps on for more than
10 minutes, the ignition must be on or in
ACC/ACCESSORY.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14583525) - 2021 - CRC - 12/9/20
Infotainment System 101
3. Adjust the setting by doing one of thefollowing:
.Turn thefknob clockwise or
counterclockwise.
.Press¨SEEK or©SEEK.
.Press\FWD orsREV.
To quickly adjust all speaker and tone
controls to the middle position, press the
f
knob for more than two seconds.
If the Rear Seat Audio (RSA) is turned on,
the radio disables FADE and mutes the rear
speakers.
Radio Messages
Calibration Error : The audio system has
been calibrated for the vehicle from the
factory. If Calibration Error displays, it
means that the radio has not been
configured properly for the vehicle and it
must be returned to your dealer for service.
VIN or NO VIN : One of these messages will
display when the TheftLock system has
locked up the radio. Take the vehicle to your
dealer for service.
If any error occurs repeatedly or if an error
cannot be corrected, contact your dealer.
Radio
AM-FM Radio
Radio Data System (RDS)
The radio may have an RDS. The RDS feature
is available for use only on FM stations that
broadcast RDS information. This system
relies upon receiving specific information
from these stations and only works when
the information is available. While the radio
is tuned to an FM-RDS station, the station
name or call letters display. In rare cases, a
radio station could broadcast incorrect
information that causes the radio features
to work improperly. If this happens, contact
the radio station.
Finding a Station
BAND or SRCE : Press to switch between
FM1, FM2, AM, and SXM if equipped. The
selection displays.
f: Turn clockwise or counterclockwise to
increase or decrease the station frequency.
©SEEK or¨SEEK : Press©SEEK to go to
the previous or
¨SEEK to go to the next
station and stay there. To scan stations, press and hold either
button for two seconds until a beep sounds.
The radio goes to a station, plays for a few
seconds, then goes to the next station. For
AM-FM Radio and Radio with CD, the station
frequency flashes while the radio is in the
scan mode. Press either button again to stop
scanning.
The radio seeks and scans stations only with
a strong signal that are in the
selected band.
Scan presets within the current selected
band by pressing and holding either SEEK
button for four seconds until a double beep
sounds. The radio goes to a stored preset,
plays for a few seconds if a strong signal is
present, then goes to the next stored preset.
The station frequency flashes while the
radio is in the scan mode.
Storing a Radio Station as a Favorite
You are encouraged to set up radio station
favorites while the vehicle is parked. Tune to
favorite stations using the presets, favorites
button, and steering wheel controls,
if equipped. See
Defensive Driving 0126.
FAV : If equipped with a FAV button, a
maximum of 36 stations can be programmed
as favorites by using the six softkeys below

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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102 Infotainment System
the radio station frequency tabs and by
using the radio favorites page button (FAV
button). Press FAV to go through up to
six pages of favorites, each having
six favorite stations available per page. Each
page of favorites can contain any
combination of AM and FM stations.
The balance/fade and tone settings that
were previously adjusted are stored with the
favorite stations.
To store a station as a favorite:1. Tune to the desired radio station.
2. Press FAV to display the page where the station is to be stored.
3. Press and hold one of the six softkeys until a beep sounds. When that softkey
is pressed and released, the station that
was set returns.
4. Repeat the steps for each softkey radio station to be stored as a favorite.
The number of favorites pages can be set up
using the MENU button. To set up the
number of favorites pages: 1. Press MENU to display the radio setup menu.
2. Press the softkey below the FAV 1-6 tab. 3. Select the desired number of favorites
pages by pressing the softkey below the
displayed page numbers.
4. Press FAV, or let the menu time out, to return to the original main radio screen
showing the radio station frequency tabs
and to begin the process of
programming favorites for the chosen
number of numbered pages.
Satellite Radio
SiriusXM, if equipped, is a satellite radio
service based in the United States and
Canada only.
Finding a Category (CAT) Station
CAT : The CAT button is used to find SXM
channels (if equipped) while the radio is in
the SXM mode.
Finding a Channel
BAND or SRCE : Press to switch between
FM1, FM2, AM, and SXM if equipped. The
selection displays.
f: Turn clockwise or counterclockwise to
increase or decrease the station frequency.
©SEEK or¨SEEK : Press©SEEK to go to
the previous or
¨SEEK to go to the next
station and stay there.
To scan stations, press and hold either
button for two seconds until a beep sounds.
The radio goes to a station, plays for a few
seconds, then goes to the next station. The
station frequency flashes while the radio is
in the scan mode. Press either button again
to stop scanning.
The radio seeks and scans stations only with
a strong signal that are in the
selected band.
To scan presets within the current selected
band, press and hold either SEEK button for
four seconds until a double beep sounds. The
radio goes to a stored preset, plays for a
few seconds if a strong signal is present,
then goes to the next stored preset. The
station frequency flashes while the radio is
in the scan mode.
Storing a Radio Station as a Favorite
You are encouraged to set up radio station
favorites while the vehicle is parked. Tune to
favorite stations using the presets, favorites
button, and steering wheel controls,
if equipped. See Defensive Driving 0126.