2012 CHEVROLET COLORADO ECU

Black plate (79,1)Chevrolet Colorado Owner Manual - 2012
Vehicle Care 10-79
To store the tools:
1. Return the tools to thestorage bag.
2. Attach the storage bag to the floor under the front
passenger seat.
3. Reinstall the wing nut to secure the bag to the vehicle. To store the jack and wheel blocks:
Regular/Extended Cab
A. Jack
B. Wheel Blocks
C. Wing Nut
1. Install the wheel blocks (B) first.
2. Turn the wing nut (C) clockwise
to secure the wheel blocks to the
vehicle. 3. Lower the jack (A) all the way
and insert the jack into the
bracket.
4. Raise the jack by turning the handle clockwise to secure the
jack within the bracket.
5. Put the cover in position andinsert and tighten the wing nut to
secure it.

Black plate (80,1)Chevrolet Colorado Owner Manual - 2012
10-80 Vehicle Care
Crew Cab
A. Jack
B. Wheel Blocks
C. Wing Nut
1. Attach the wheel blocks (B) tothe jack (A) with the wheel block
retainer and the wing nut (C).
2. Reinstall the jack and wheel block assembly in the mounting
bracket. Make sure to position
the holes in the base of the jack
onto the pins in the mounting
bracket. 3. Turn the handle to raise the jack
until it is secure, but do not
overtighten the jack in the
bracket.
Secondary Latch System
This vehicle has an
underbody‐mounted tire hoist
assembly that has a secondary
latch system. It is designed to stop
the spare tire from suddenly falling
off the vehicle. For the secondary
latch to work, the spare must be
installed with the valve stem
pointing down. See “Storing a Flat
or Spare Tire and Tools” underTire
Changing on page 10‑69.
{WARNING
Before beginning this procedure
read all the instructions. Failure to
read and follow the instructions
could damage the hoist assembly
and you and others could get
hurt. Read and follow the
instructions listed next. To release the spare tire from the
secondary latch:
1. Check under the vehicle to see if
the cable end fitting is visible.
2. If the cable end fitting is not visible, proceed to Step 6.
If it is visible, first try to tighten
the cable by turning the wheel
wrench clockwise until you
hear two clicks or feel it skip
twice. The cable cannot be
overtightened.

Black plate (81,1)Chevrolet Colorado Owner Manual - 2012
Vehicle Care 10-81
3. Loosen the cable by turning thewheel wrench counterclockwise
three or four turns.
4. Repeat this procedure at least two times. If the spare tire
lowers to the ground, continue
with Step 5 under “Storing a Flat
or Spare Tire and Tools” under
Tire Changing on page 10‑69.
5. Turn the wrench counterclockwise until
approximately 15 cm (6 in) of
cable is exposed.
6. Stand the wheel blocks on their shortest ends, with the backs
facing each other.
A. Jack
B. Wheel Blocks
7. Place the bottom edge of the jack (A) on the wheel blocks (B).
Separate the wheel blocks so
that the jack is balanced
securely.8. Attach the jack handle,extension, and wheel wrench to
the jack and place it, with the
wheel blocks, under the vehicle
towards the front of the rear
bumper. Position the center lift
point of the jack under the
wheel.
9. Turn the wheel wrench clockwise to raise the jack
until it lifts the tire.
10. Continue raising the jack until the tire stops moving upward
and is held firmly in place.

Black plate (90,1)Chevrolet Colorado Owner Manual - 2012
10-90 Vehicle Care
Dinghy Towing
Two-Wheel Drive Vehicles
Notice:If the vehicle is towed
with all four wheels on the
ground, the drivetrain
components could be damaged.
The repairs would not be covered
by the vehicle warranty. Do not
tow the vehicle with all four
wheels on the ground.
Two-wheel-drive vehicles should
not be towed with all four wheels
on the ground. Two-wheel-drive transmissions have no provisions
for internal lubrication while being
towed.
Four-Wheel Drive Vehicles
Use the following procedure to
dinghy tow a four-wheel-drive
vehicle:
1. Position the vehicle being towed
behind the tow vehicle.
2. Put an automatic transmission in P (Park) or a manual
transmission in 1 (First). 3. Turn the engine off and firmly set
the parking brake. See Parking
Brake on page 9‑41.
4. Securely attach the vehicle being towed to the tow vehicle.
{WARNING
Shifting a full‐time
four‐wheel‐drive vehicle's
transfer case into N (Neutral)
can cause the vehicle to
roll even if the automatic
transmission is in P (Park) or
the manual transmission is in
any gear. You or others could be
injured. Make sure the parking
brake is firmly set before the
transfer case is shifted to
N (Neutral).
5. Shift the transfer case to N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive on page 10‑29.

Black plate (92,1)Chevrolet Colorado Owner Manual - 2012
10-92 Vehicle Care
Front Towing (Front Wheels Off
the Ground)–Four-Wheel-Drive
Vehicles
Use the following procedure to dolly
tow a four-wheel-drive vehicle from
the front:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the front wheels onto the dolly. 3. Put an automatic transmission
in P (Park) or a manual
transmission in 1 (First).
4. Turn the engine off and firmly set the parking brake. See Parking
Brake on page 9‑41.
{WARNING
Shifting a full‐time
four‐wheel‐drive vehicle's
transfer case into N (Neutral)
can cause the vehicle to roll even
if the automatic transmission
is in P (Park) or the manual
transmission is in any gear. You
or others could be injured. Make
sure the parking brake is firmly
set before the transfer case is
shifted to N (Neutral).
5. Secure the vehicle to the dolly following the manufacturer's
instructions. 6. Shift the transfer case to
N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive on page 10‑29.
7. Release the parking brake only after the vehicle being towed is
firmly attached to the towing
vehicle.
8. Turn the ignition to LOCK/OFF.
After towing, see “Shifting Out of
N (Neutral)” underFour-Wheel Drive
on page 10‑29.
If the vehicle being towed will not be
started or driven for six weeks or
more, remove the battery cable from
the negative terminal (post) of the
battery to prevent the battery from
draining.

Black plate (93,1)Chevrolet Colorado Owner Manual - 2012
Vehicle Care 10-93
Rear Towing (Rear Wheels Off
the Ground)–Two‐Wheel‐Drive
Vehicles
Use the following procedure to dolly
tow a two-wheel-drive vehicle from
the rear:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the rear wheels onto the dolly. 3. Firmly set the parking brake.
See Parking Brake on
page 9‑41.
4. Put an automatic transmission in P (Park) or a manual
transmission in 1 (First).
5. Secure the vehicle to the dolly following the manufacturer's
instructions.
6. Use an adequate clamping device designed for towing to
ensure that the front wheels are
locked into the straight position.
7. Turn the ignition to LOCK/OFF. If the vehicle being towed will
not be started or driven for
six weeks or more, remove the
battery cable from the negative
terminal (post) of the battery
to prevent the battery from
draining. Rear Towing (Rear Wheels Off
the Ground)
–Four‐Wheel‐Drive
VehiclesUse the following procedure to dolly
tow a four-wheel-drive vehicle from
the rear:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the rear wheels onto the dolly.
3. Firmly set the parking brake. See Parking Brake on
page 9‑41.

Black plate (94,1)Chevrolet Colorado Owner Manual - 2012
10-94 Vehicle Care
4. Put an automatic transmissionin P (Park) or a manual
transmission in 1 (First).
5. Secure the vehicle to the dolly following the manufacturer's
instructions.
6. Use an adequate clamping device designed for towing to
ensure that the front wheels are
locked into the straight position.
{WARNING
Shifting a full‐time
four‐wheel‐drive vehicle's
transfer case into N (Neutral)
can cause the vehicle to
roll even if the automatic
transmission is in P (Park) or
the manual transmission is in
any gear. You or others could be
injured. Make sure the parking
brake is firmly set before the
transfer case is shifted to
N (Neutral). 7. Shift the transfer case to
N (Neutral). See “Shifting into
N (Neutral)” underFour-Wheel
Drive on page 10‑29.
8. Turn the ignition to LOCK/OFF. If the vehicle being towed will
not be started or driven for
six weeks or more, remove the
battery cable from the negative
terminal (post) of the battery to
prevent the battery from
draining.
After towing, see “Shifting Out of
N (Neutral)” underFour-Wheel Drive
on page 10‑29.
Appearance Care
Exterior Care
Washing the Vehicle
To preserve the vehicle's finish,
wash it often and out of direct
sunlight.
Notice: Do not use petroleum
based, acidic, or abrasive
cleaning agents as they can
damage the vehicle's paint,
metal, or plastic parts. If damage
occurs, it would not be covered
by the vehicle's warranty.
Approved cleaning products
can be obtained from your
dealer. Follow all manufacturer
directions regarding correct
product usage, necessary safety
precautions, and appropriate
disposal of any vehicle care
product.

Black plate (8,1)Chevrolet Colorado Owner Manual - 2012
13-8 Customer Information
Chevrolet and General Motors of
Canada Limited reserve the right to
limit services or payment to an
owner or driver if they decide the
claims are made too often, or the
same type of claim is made many
times.
Services Provided
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
.Lock‐Out Service:Service to
unlock the vehicle if you are
locked out. A remote unlock may
be available if you have OnStar.
For security reasons, the driver
must present identification
before this service is given.
.Emergency Tow From a Public
Road or Highway: Tow to the
nearest Chevrolet dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven. Assistance is also given
when the vehicle is stuck in the
sand, mud, or snow.
.Flat Tire Change: Service to
change a flat tire with the spare
tire. The spare tire, if equipped,
must be in good condition and
properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not
covered by the warranty.
.Battery Jump Start: Service to
jump start a dead battery.
Services Not Included in
Roadside Assistance
.Impound towing caused by
violation of any laws.
.Legal fines.
.Mounting, dismounting,
or changing of snow tires,
chains, or other traction devices.
.Towing or services for vehicles
driven on a non-public road or
highway.
Services Specific to Canadian
Purchased Vehicles
.Fuel Delivery: Reimbursement
is approximately $5 Canadian.
Diesel fuel delivery may be
restricted. Propane and other
fuels are not provided through
this service.
.Lock-Out Service: Vehicle
registration is required.
.Trip Routing Service: Detailed
maps of North America are
provided when requested either
with the most direct route or the
most scenic route. There is a
limit of six requests per year.
Additional travel information is
also available. Allow three
weeks for delivery.