2012 CHEVROLET EXPRESS PASSANGER air conditioning

Black plate (5,1)Chevrolet Express Owner Manual - 2012
Introduction v
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
%:Audio Steering Wheel Controls
or OnStar®
J: Brake System
Warning Light
": Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
.:Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
i: Top Tether Anchors for
Child Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
_: Tow/Haul Mode
d:Traction Control/StabiliTrak®
M:Windshield Washer Fluid

Black plate (13,1)Chevrolet Express Owner Manual - 2012
In Brief 1-13
Windshield Wiper/Washer
The lever is located on the left side
of the steering column.
8:Use for a single wiping cycle.
6:Use to adjust the delay time
between wipes. Turn the band up or
down for more frequent wipes or
less frequent wipes.
d: Slow wipes.
a:Fast wipes.
9:Use to turn the wipers off.
L: Push the paddle on top of the
multifunction lever to spray washer
fluid on the windshield.
See Windshield Wiper/Washer on
page 5‑5.
Climate Controls
The vehicle's heating, cooling, and ventilation can be controlled with
these systems.
Vehicles without Air Conditioning
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control

Black plate (14,1)Chevrolet Express Owner Manual - 2012
1-14 In Brief
Vehicles with Air Conditioning
A. Fan Control
B. Temperature Control C. Air Delivery Mode Control
D. Rear Window DefoggerSee
Climate Control Systems on
page 8‑1. See Rear Heating System
on page 8‑5 (If Equipped) or Rear
Climate Control System on page 8‑6
(If Equipped).

Black plate (5,1)Chevrolet Express Owner Manual - 2012
Keys, Doors, and Windows 2-5
To replace the battery:
1. Separate the transmitter with aflat, 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. Snap the transmitter back 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 on page 8‑1 for additional
information.
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.
If the vehicle has the remote start
feature, the RKE transmitter
functions will have an increased
range of operation. However, the
range may be less while the vehicle
is running.
There are other conditions which
can affect the performance of the
transmitter, see
Remote Keyless
Entry (RKE) System on page 2‑3 for
additional information.
/(Remote Vehicle Start):
This button will be on the RKE
transmitter if you have remote start.
To start the engine using the remote
start feature:
1. Aim the RKE transmitter at the vehicle.
2. Press and release
Qon the
transmitter.

Black plate (36,1)Chevrolet Express Owner Manual - 2012
5-36 Instruments and Controls
Engine Cooling System
Messages
ENGINE HOT A/C
(Air Conditioning) OFF
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
SeeEngine Coolant Temperature
Gauge on page 5‑16. To avoid
added strain on a hot engine,
the air conditioning compressor
automatically turns off. When the
coolant temperature returns to
normal, the air conditioning
compressor turns back on. You can
continue to drive the vehicle.
If this message continues to appear,
have the system repaired by your
dealer as soon as possible to avoid
damage to the engine.
ENGINE OVERHEATED
IDLE ENGINE
Notice: If you drive the vehicle
while the engine is overheating,
severe engine damage may
occur. If an overheat warning
appears on the instrument panel
cluster and/or DIC, stop the
vehicle as soon as possible.
See Engine Overheating on
page 10‑22 for more information.
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to
idle until it cools down. See Engine
Coolant Temperature Gauge on
page 5‑16.
ENGINE OVERHEATED
STOP ENGINE
Notice: If you drive the vehicle
while the engine is overheating,
severe engine damage may
occur. If an overheat warning
appears on the instrument panel
cluster and/or DIC, stop the
vehicle as soon as possible.
See Engine Overheating on
page 10‑22 for more information.
This message displays and a chime
sounds if the engine cooling system
reaches unsafe temperatures for
operation. Stop and turn off the
vehicle as soon as it is safe to do
so to avoid severe damage. This
message clears when the engine
has cooled to a safe operating
temperature.

Black plate (40,1)Chevrolet Express Owner Manual - 2012
5-40 Instruments and Controls
Airbag System Messages
SERVICE AIR BAG
This message displays if there is a
problem with the airbag system.
Have your dealer inspect the
system for problems. SeeAirbag
Readiness Light on page 5‑18 and
Airbag System on page 3‑18 for
more information.
Anti-theft Alarm System
Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart so you may want to take the
vehicle to your dealer before turning
off the engine. See Immobilizer
Operation on page 2‑12 for more
information.
WAIT TO START
This message displays briefly when
the theft-deterrent system has
initially found incorrect conditions
within the vehicle and is making a
double check. If your vehicle does
not start soon after, try to start it
again. If it still does not start, have
your vehicle serviced by your
dealer.
Service Vehicle Messages
SERVICE A/C SYSTEM
This message displays when the
electronic sensors that control the
air conditioning and heating
systems are no longer working.
Have the climate control system
serviced by your dealer if you notice
a drop in heating and air
conditioning efficiency.
SERVICE VEHICLE SOON
This message displays when a
non-emissions related malfunction
occurs. Have the vehicle serviced
by your dealer as soon as possible.
STARTING DISABLED
SERVICE THROTTLE
This message displays if the starting
of the engine is disabled due to the
electronic throttle control system.
Have the vehicle serviced by your
dealer immediately.
This message only appears while
the ignition is in ON/RUN, and will
not disappear until the problem is
resolved.
This message cannot be
acknowledged.

Black plate (1,1)Chevrolet Express Owner Manual - 2012
Climate Controls 8-1
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . . 8-1
Rear Heating System . . . . . . . . . 8-5
Rear Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . 8-6
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-8
Climate Control Systems
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
Vehicles without Air Conditioning
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
9(Fan Control): Turn the knob
clockwise or counterclockwise to
increase or decrease the fan speed.
9(Off): Turns the system off.

Black plate (2,1)Chevrolet Express Owner Manual - 2012
8-2 Climate Controls
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(Vent): Air is directed to the
instrument panel outlets.
)(Bi-Level): Air is divided
between the instrument panel and
floor outlets, with some air directed
toward the windshield.
6(Floor): Air is directed to the
floor outlets with some air directed
to the windshield and side windows.
-(Defog): 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(Defrost): 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.