Page 2 of 430

Black plate (2,1)Chevrolet Express Owner Manual - 2012
2012 Chevrolet Express Owner ManualM
Driving and Operating. . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-16
Engine Exhaust . . . . . . . . . . . . . . 9-24
Automatic Transmission . . . . . . 9-25
Drive Systems . . . . . . . . . . . . . . . . 9-33
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-33
Ride Control Systems . . . . . . . . 9-35
Cruise Control . . . . . . . . . . . . . . . . 9-37
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-40
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-46
Conversions and Add-Ons . . . 9-58 Vehicle Care
. . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Bulb Replacement . . . . . . . . . . 10-35
Electrical System . . . . . . . . . . . . 10-41
Wheels and Tires . . . . . . . . . . . 10-49
Jump Starting . . . . . . . . . . . . . . . 10-86
Towing . . . . . . . . . . . . . . . . . . . . . . 10-90
Appearance Care . . . . . . . . . . . 10-93
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application Services . . . . . . . . . . . . . . . . . . . . 11-8
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . 11-8
Recommended Fluids, Lubricants, and Parts . . . . . . 11-12
Maintenance Records . . . . . . . 11-15 Technical Data
. . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-19
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . 13-20
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1
Page 5 of 430
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
Page 9 of 430

Black plate (3,1)Chevrolet Express Owner Manual - 2012
In Brief 1-3
A.Air Vents on page 8‑8.
B. Driver Information Center (DIC) Buttons. See Driver Information
Center (DIC) on page 5‑28.
C. Turn and Lane‐Change Lever. See Turn and Lane-Change
Signals on page 6‑5.
Windshield Wiper/Washer on
page 5‑5.
D. Hazard Warning Flashers on
page 6‑5 (Out of View).
E. Instrument Cluster on
page 5‑12.
F. Shift Lever. See Starting the
Engine on page 9‑18.
Manual Mode on page 9‑31
(If Equipped).
G. Climate Control Systems on
page 8‑1.
H. Infotainment on page 7‑1.
I. Exterior Lamp Controls on
page 6‑1. J.
Instrument Panel Illumination
Control on page 6‑6.
Dome Lamp Override. See
Dome Lamps on page 6‑6.
K. Cruise Control on page 9‑37
(If Equipped).
Fast Idle System (If Equipped).
See the Duramax diesel
supplement for more
information.
L. Steering Wheel Adjustment on
page 5‑2 (If Equipped).
M. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5‑21.
N. Horn on page 5‑4.
O. Steering Wheel Controls on
page 5‑2 (If Equipped).
P. Tow/Haul Mode Button. See “Tow/Haul Mode” underTowing
Equipment on page 9‑55.
Q. Power Outlets on page 5‑10. R.
StabiliTrak®System on
page 9‑35 (If Equipped).
S. Passenger Airbag On‐Off Switch (If Equipped). See
Airbag On-Off Switch on
page 3‑26.
T. Front Storage on page 4‑1
(If Equipped).
U. Passenger Airbag Status
Indicator on page 5‑20
(If Equipped).
OnStar
®System Button
(If Equipped). See OnStar
Overview on page 14‑1.
V. Rear Heating System on
page 8‑5 (If Equipped).
W. USB Port (If Equipped). See Auxiliary Devices on page 7‑19.
Page 16 of 430

Black plate (10,1)Chevrolet Express Owner Manual - 2012
1-10 In Brief
Select each mirror by turning the
knob clockwise for the passenger
side mirror or counterclockwise for
the driver side mirror. Adjust the
mirror angle by moving the knob in
the desired direction.
Keep the selector switch in the
center position when not adjusting
either outside mirror.
Vehicles with towing mirrors can be
adjusted manually for a clear view
of the objects behind you.Manually fold the mirrors inward to
prevent damage when going
through an automatic car wash.
To fold, pull the mirror toward the
vehicle. Push the mirror outward, to
return it to the original position.
Interior Mirror
Hold the inside rearview mirror in
the center to move it for a clearer
view behind the vehicle. Adjust the
mirror to avoid glare from the
headlamps behind. Push the tab,
located at the base of the mirror,
forward for daytime use and pull it
for nighttime use.
See
Manual Rearview Mirror on
page 2‑15.
Steering Wheel
Adjustment
For vehicles with a tilt steering
wheel, the lever is located on the
left side of the steering column.
To adjust the steering wheel:
1. Pull the lever to move the steering wheel up or down into a
comfortable position.
2. Release the lever to lock the steering wheel in place.
See Steering Wheel Adjustment on
page 5‑2.
Page 21 of 430
Black plate (15,1)Chevrolet Express Owner Manual - 2012
In Brief 1-15
Transmission
Range Selection Mode
The vehicle may have a Range
Selection Mode. The Range
Selection Mode helps control the
vehicle's transmission and vehicle
speed while driving downhill or
towing a trailer by letting you select
a desired range of gears.To use this feature, do the following:
1. Move the shift lever to
M (Manual Mode).
2. Press the plus/minus buttons, located on the steering column
shift lever, to select the desired
range of gears for current driving
conditions.
When M (Manual Mode) is selected,
a number displays in the DIC next to
the M indicating the current gear. Grade Braking is not available when
Range Selection Mode is active.
See
Tow/Haul Mode on page 9‑32.
While using Range Selection Mode,
Cruise Control and the Tow/Haul
Mode can be used. See Manual
Mode on page 9‑31.
Page 29 of 430

Black plate (1,1)Chevrolet Express Owner Manual - 2012
Keys, Doors, and Windows 2-1
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 2-3
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . 2-3
Remote Vehicle Start . . . . . . . . . 2-5
Door Locks . . . . . . . . . . . . . . . . . . . 2-7
Power Door Locks . . . . . . . . . . . . 2-7
Cargo Door Relocking . . . . . . . . 2-7
Delayed Locking . . . . . . . . . . . . . . 2-8
Automatic Door Locks . . . . . . . . . 2-8
Lockout Protection . . . . . . . . . . . . 2-8
Safety Locks . . . . . . . . . . . . . . . . . . 2-8
Doors
Side Door (60/40 Swing-Out) . . . . . . . . . . . . . . . . . . 2-9
Sliding Door . . . . . . . . . . . . . . . . . 2-10
Rear Doors . . . . . . . . . . . . . . . . . . 2-11
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . 2-12
Immobilizer . . . . . . . . . . . . . . . . . . 2-12
Immobilizer Operation . . . . . . . 2-12
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 2-14
Manual Mirrors . . . . . . . . . . . . . . . 2-14
Trailer-Tow Mirrors . . . . . . . . . . . 2-14
Power Mirrors . . . . . . . . . . . . . . . . 2-15
Heated Mirrors . . . . . . . . . . . . . . . 2-15
Interior Mirrors
Manual Rearview Mirror . . . . . . 2-15
Windows
Windows . . . . . . . . . . . . . . . . . . . . . 2-16
Manual Windows . . . . . . . . . . . . 2-16
Power Windows . . . . . . . . . . . . . 2-16
Swing-Out Windows . . . . . . . . . 2-18
Enhanced Technology Glass . . . . . . . . . . . . . . . . . . . . . . . 2-19
Sun Visors . . . . . . . . . . . . . . . . . . . 2-19
Page 37 of 430
Black plate (9,1)Chevrolet Express Owner Manual - 2012
Keys, Doors, and Windows 2-9
Move the button to the left for the
driver side door or to the right for
the passenger side door to return
the door locks to normal operation.
Side Sliding Door
For the side sliding door, move the
button up to engage the security
feature. Move the button down to
return the door locks to normal
operation.
Doors
Side Door
(60/40 Swing-Out)
To open the front portion of a
60/40 door from the outside, pull out
on the handle and open the door.
To open the front portion of a
60/40 door from the inside, pull the
handle toward you and push the
door open.
Page 38 of 430

Black plate (10,1)Chevrolet Express Owner Manual - 2012
2-10 Keys, Doors, and Windows
To open the rear portion of a 60/
40 door from the outside, pull the
handle on the side of the rear door
and pull the door toward you.
To close the 60/40 side doors, close
the rear door first. Then close the
front door. Check to make sure that
both doors are completely closed.
The swing-out doors have a check
strap assembly in the door frame to
keep the door from opening beyond
90 degrees.
To open the door beyond
90 degrees, close the door partially,
pull the check strap toward you andthen open the door. When the door
is closed, the check strap will
automatically re-engage.
Sliding Door
To open the sliding side door from
the outside, pull the handle toward
the rear of the vehicle and slide the
door open.
To close the sliding side door from
the outside, use the handle to slide
the door toward the front of the
vehicle.
When the door is closed, it will be
flush with the side of the body.
To open the sliding side door from
the inside, pull the handle toward
the rear of the vehicle. Then, slide
the door toward the rear of the
vehicle.
To close the sliding side door from
the inside, grasp the handle and
slide the door toward the front of
the vehicle.
Make sure the door is completely
closed before driving away.