2017 CHEVROLET EXPRESS air conditioning

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
2 Introduction
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual
To quickly locate information about the
vehicle, use the Index in the back of the
manual. It is an alphabetical list of what is
in the manual and the page number where
it can be found.
Danger, Warning, and Caution
Warning messages found on vehicle labels
and in this manual describe hazards and
what to do to avoid or reduce them.
{Danger
Danger indicates a hazard with a high
level of risk which will result in serious
injury or death.
{Warning
Warning indicates a hazard that could
result in injury or death.
Caution
Caution indicates a hazard that could
result in property or vehicle damage.
A circle with a slash through it is a safety
symbol which means“Do not,” “Do not do
this,” or“Do not let this happen.”
Symbols
The vehicle has components and labels that
use symbols instead of text. Symbols are
shown along with the text describing the
operation or information relating to a
specific component, control, message, gauge,
or indicator.
M:Shown when the owner’s manual has
additional instructions or information.
*: Shown when the service manual has
additional instructions or information.
0: Shown when there is more information
on another page — “see page.” Vehicle Symbol Chart
Here are some additional symbols that may
be found on the vehicle and what they
mean. See the features in this manual for
information.
u:
Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components Properly
P:Do Not Apply High Pressure Water
B:Engine Coolant Temperature
_:Flame/Fire Prohibited
H: Flammable
[:Forward Collision Alert
R:Fuse Block Cover Lock Location
+:Fuses
j:ISOFIX/LATCH System Child Restraints

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
10 Keys, Doors, and Windows
To replace the battery:1. Separate the transmitter with a flat, thin object, such as a flat head screwdriver.
.Carefully insert the tool into the
notch located along the parting line
of the transmitter. Do not insert the
tool too far. Stop as soon as
resistance is felt.
.Twist the tool until the transmitter is
separated.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing down. Replace with a CR2032 or
equivalent battery.
4. Set transmitter button side down on a hard surface and press the other half
straight down to force the halves
together.
Remote Vehicle Start
This vehicle may have a remote start
feature. This feature allows you to start the
engine from outside the vehicle. It may also
start the vehicle's heating or air conditioning
systems. See Climate Control Systems 0114. Laws in some local communities may restrict
the use of remote starters. For example,
some laws may require a person using
remote start to have the vehicle in view
when doing so. Check local regulations for
any requirements on remote starting of
vehicles.
Do not use the remote start feature if the
vehicle is low on fuel. The vehicle may run
out of fuel.
The RKE transmitter range may be less while
the vehicle is running.
Other conditions can affect the performance
of the transmitter. See
Remote Keyless Entry
(RKE) System 08.
/:This button will be on the RKE
transmitter if the vehicle has remote start.
To start the engine using the remote start
feature:
1. Press and release
Qon the transmitter.
2. Immediately press and hold
/until the
turn signal lamps flash. If you cannot see
the lamps, press and hold
/for at least
four seconds. When the engine starts, the parking
lamps will turn on and remain on while
the engine is running. The doors will be
locked.
The engine will continue to run for
10 minutes. After 30 seconds, repeat the
steps if a 10-minute extension is desired.
Remote start can be extended only once.
After entering the vehicle during a remote
start, turn the ignition on to drive the
vehicle.
A maximum of two remote starts or a start
with an extension are allowed between
ignition cycles.
If the remote start procedure is used again
before the first 10-minute time frame has
ended, the first 10 minutes will immediately
expire and the second 10-minute time frame
will start.
After the engine has been remote started
two times or a start with an extension, the
ignition must be turned on and then off
before the remote start procedure can be
used again.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
114 Climate Controls
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . . . . . . . . . . 114
Rear Heating System . . . . . . . . . . . . . . . . . . 116
Rear Climate Control System . . . . . . . . . . . 116
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Maintenance
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Climate Control Systems
The heating, cooling, and ventilation for the vehicle can be controlled with this system.
Vehicles without Air Conditioning
1. Fan Control
2. Temperature Control
3. Air Delivery Mode Control
9: Turn the knob clockwise or
counterclockwise to increase or decrease the
fan speed.
9: Turns the system off. Temperature Control :
Turn the knob
clockwise or counterclockwise to increase or
decrease the temperature inside the vehicle.
Air Delivery Mode Control : Turn the knob
clockwise or counterclockwise to change the
current airflow mode.H: Air is directed to the instrument panel
outlets.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
Climate Controls 115
):Air is divided between the instrument
panel and floor outlets, with some air
directed toward the windshield.
6: Air is directed to the floor outlets with
some air directed to the windshield and side
windows.
-: This mode clears the windows of fog or
moisture. Outside air is directed to the floor
and defroster outlets. Adjust the
temperature knob for warmer or cooler air.
The air conditioning compressor might turn
on in this setting to dehumidify the air.
1: This mode clears the windshield of fog
or frost more quickly. Air is directed to the
windshield, with some to the floor outlets
and front side windows. The air conditioning
compressor might turn on in this setting to
dehumidify the air.
Do not drive the vehicle until all the
windows are clear.
Vehicles with Air Conditioning
1. Fan Control
2. Temperature Control
3. Air Delivery Mode Control
4. Rear Window Defogger (If Equipped)
On hot days, open the windows to let hot
inside air escape; then close them. This
helps to reduce the time needed for the
vehicle to cool down and the system
operates more efficiently.
#: Cools and dehumidifies the air inside
of the vehicle.
V: Cools the air inside the vehicle faster,
by recirculating the inside air.
Rear Window Defogger
If equipped with a rear window defogger, a
warming grid is used to remove fog or frost
from the rear window.
1: Press to turn the rear window
defogger on or off. An indicator light on the
button comes on to show that the rear
window defogger is on.
The defogger only works when the ignition
is on. The defogger turns off if the ignition
is turned off or to ACC/ACCESSORY.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
116 Climate Controls
Heated Mirrors: If equipped with heated
outside mirrors, the mirrors heat to help
clear fog or frost from the surface of the
mirror when
1is pressed. SeeHeated
Mirrors 018.
Do not drive the vehicle until all the
windows are clear.
Caution
Do not use a razor blade or sharp object
to clear the inside rear window. Do not
adhere anything to the defogger grid
lines in the rear glass. These actions may
damage the rear defogger. Repairs would
not be covered by the vehicle warranty.
Rear Heating System
If equipped, the rear heating system lets
you adjust the amount of air flowing into
the rear of the vehicle, from the front
seating area. This feature works with the
main climate control system in the vehicle.
AUX : The thumbwheel for this system is on
the instrument panel below the audio
system.
9: Turn the thumbwheel up or down to
increase or decrease the amount of heated
air sent to the rear seating area.
Q: This position supplies the most amount
of heat to the rear seating area.
c: This position supplies half the amount
of heat to the rear seating area.
R: This position supplies the least amount
of heat to the rear seating area.
9: This turns the rear heating system off.
Rear Climate Control System
If equipped with a rear heating and air
conditioning system, it controls the
temperature, fan speed, and air delivery for
the rear seat passengers only. The front
climate control panel is in the overhead
console between the driver and front
passenger.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
118 Climate Controls
Rear Climate Control Panel
1. Fan Control
2. Air Delivery Mode Control
3. Temperature Control
For vehicles with a rear climate control
panel, it is located overhead behind the
driver and front passenger, centered in front
of the second row. To adjust the rear
climate control panel settings by a rear seat
passenger, the front climate control panel
fan knob must be in the AUX position. The
fan speed, air delivery mode, and
temperature can then be adjusted. AUX :
Turn the fan knob on the front
climate control panel to AUX to let rear seat
passengers use the control panel in the rear
seating area. This disables the front control
panel. To return control to the front panel,
move the fan knob out of AUX.
9: Turns the system off.
9:Turn clockwise or counterclockwise to
increase or decrease the fan speed in the
rear seating area.
Temperature Control : Turn clockwise or
counterclockwise to increase or decrease the
temperature in the rear seating area. The air conditioning system on the main
climate control panel must be turned on to
direct cooled air to the rear of the vehicle.
If it is not on, then the temperature in the
rear of the vehicle remains at cabin
temperature.
Air Delivery Mode Control :
Turn clockwise
or counterclockwise to change the direction
of the airflow in the rear seating area.
To change the current mode, select one of
the following:
H: Air is directed to the upper outlets,
with some directed to the floor outlets.
2: Air is directed to the floor outlets.
Be sure to keep the area under the front
seats clear of any objects so that the air
inside of the vehicle can circulate effectively.
For information on how to use the main
climate control system, see Climate Control
Systems 0114. For information on
ventilation, see Air Vents0118.
Air Vents
Use the outlets located near the center and
on the sides of the instrument panel to
change the direction of airflow.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
Climate Controls 119
Operation Tips
.Clear away any ice, snow or leaves from
the air inlets at the base of the
windshield that may block the flow of air
into the vehicle.
.Use of non-GM approved hood deflectors
may adversely affect the performance of
the system.
.Clear snow off the hood to improve
visibility and help decrease moisture
drawn into the vehicle.
.Keep the path under the front seats clear
of objects to help circulate the air inside
of the vehicle more effectively.
Maintenance
Service
All vehicles have a label underhood that
identifies the refrigerant used in the vehicle.
The refrigerant system should only be
serviced by trained and certified technicians.
The air conditioning evaporator should never
be repaired or replaced by one from a
salvage vehicle. It should only be replaced
by a new evaporator to ensure proper and
safe operation.During service, all refrigerants should be
reclaimed with proper equipment. Venting
refrigerants directly to the atmosphere is
harmful to the environment and may also
create unsafe conditions based on
inhalation, combustion, frostbite, or other
health-based concerns.
The air conditioning system requires periodic
maintenance. See
Maintenance Schedule
0 245.

Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15555951) - 2022 - CRC - 1/27/22
188 Vehicle Care
If the overheat warning is displayed with no
sign of steam:1. Turn the air conditioning off.
2. Turn the heater on to the highest temperature and to the highest fan
speed. Open the windows as necessary.
3. When it is safe to do so, pull off the road, shift to P (Park) or N (Neutral) and
let the engine idle.
If the engine coolant temperature gauge is
no longer in the overheat zone or an
overheat warning no longer displays, the
vehicle can be driven. Continue to drive the
vehicle slowly for about 10 minutes. Keep a
safe vehicle distance from the vehicle in
front. If the warning does not come back on,
continue to drive normally and have the
cooling system checked for proper fill and
function.
If the warning continues, pull over, stop, and
park the vehicle right away.
If there is still no sign of steam, push down
the accelerator until the engine speed is
about twice as fast as normal idle speed for
at least three minutes while parked. If the
warning is still on, turn off the engine until
it cools down. If the decision is made not to lift the hood,
get service help right away.
Engine Fan
The vehicle has a clutched engine cooling
fan. When the clutch is engaged, the fan
spins faster to provide more air to cool the
engine. In most everyday driving conditions,
the fan is spinning slower and the clutch is
not fully engaged. This improves fuel
economy and reduces fan noise. Under
heavy vehicle loading, trailer towing, and/or
high outside temperatures, the fan speed
increases as the clutch more fully engages,
so an increase in fan noise may be heard.
This is normal and should not be mistaken
as the transmission slipping or making extra
shifts. It is merely the cooling system
functioning properly. The fan will slow down
when additional cooling is not required and
the clutch partially disengages.
This fan noise may be heard when starting
the engine. It will go away as the fan clutch
partially disengages.
Power Steering Fluid
The power steering fluid reservoir is in the
engine compartment on the driver side of
the vehicle. See
Engine Compartment
Overview 0176 for reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power
steering fluid unless there is a leak
suspected in the system or an unusual noise
is heard. A fluid loss in this system could
indicate a problem. Have the system
inspected and repaired.
How to Check Power Steering Fluid
To check the power steering fluid:
1. Turn the key off and let the engine compartment cool down.
2. Wipe the cap and the top of the reservoir clean.
3. Unscrew the cap and wipe the dipstick with a clean rag.