2012 GMC CANYON maintenance

Black plate (13,1)GMC Canyon Owner Manual - 2012
Instruments and Controls 5-13
If it does not, have the vehicle
serviced by your dealer. SeeIgnition
Positions on page 9‑24 for more
information.
If the malfunction indicator lamp
comes on and stays on while the
engine is running, this indicates that
there is an OBD II problem and
service is required.
Malfunctions often are indicated by
the system before any problem is
apparent. Being aware of the light
can prevent more serious damage
to the vehicle. This system assists
the service technician in correctly
diagnosing any malfunction.
Notice: If the vehicle is
continually driven with this light
on, the emission controls might
not work as well, the vehicle fuel economy might not be as good,
and the engine might not run as
smoothly. This could lead to
costly repairs that might not be
covered by the vehicle warranty.
Notice:
Modifications made to the
engine, transmission, exhaust,
intake, or fuel system of the
vehicle or the replacement of the
original tires with other than
those of the same Tire
Performance Criteria (TPC) can
affect the vehicle's emission
controls and can cause this light
to come on. Modifications to
these systems could lead to
costly repairs not covered by the
vehicle warranty. This could also
result in a failure to pass a
required Emission Inspection/
Maintenance test. See
Accessories and Modifications on
page 10‑4. This light comes on during a
malfunction in one of two ways:
Light Flashing:
A misfire condition
has been detected. A misfire
increases vehicle emissions and
could damage the emission control
system on the vehicle. Diagnosis
and service might be required.
To prevent more serious damage to
the vehicle:.Reduce vehicle speed.
.Avoid hard accelerations.
.Avoid steep uphill grades.
.If towing a trailer, reduce the
amount of cargo being hauled as
soon as it is possible.
If the light continues to flash, stop
and park the vehicle. Turn the
vehicle off, wait at least 10 seconds,
and restart the engine. If the light is
still flashing, follow the previous
steps and see your dealer for
service as soon as possible.

Black plate (14,1)GMC Canyon Owner Manual - 2012
5-14 Instruments and Controls
Light On Steady:An emission
control system malfunction has
been detected on the vehicle.
Diagnosis and service might
be required.
The following may correct an
emission system malfunction:
.Check that the fuel cap is fully
installed. See Filling the Tank on
page 9‑52. The diagnostic
system can determine if the
fuel cap has been left off or
improperly installed. A loose or
missing fuel cap allows fuel to
evaporate into the atmosphere.
A few driving trips with the cap
properly installed should turn
the light off.
.Check that good quality fuel is
used. Poor fuel quality causes
the engine not to run as
efficiently as designed and may
cause stalling after start-up,
stalling when the vehicle is
changed into gear, misfiring,
hesitation on acceleration,
or stumbling on acceleration.
These conditions might go away
once the engine is warmed up.
If one or more of these conditions
occurs, change the fuel brand used.
It will require at least one full tank of
the proper fuel to turn the light off.
See Recommended Fuel on
page 9‑49.
If none of the above have made the
light turn off, your dealer can check
the vehicle. The dealer has the
proper test equipment and
diagnostic tools to fix any
mechanical or electrical problems
that might have developed.Emissions Inspection and
Maintenance Programs
Some local governments may have
programs to inspect the on-vehicle
emission control equipment. For the
inspection, the emission system test
equipment is connected to the
vehicle’s Data Link
Connector (DLC).
The DLC is under the instrument
panel to the left of the steering
wheel. See your dealer if assistance
is needed.

Black plate (18,1)GMC Canyon Owner Manual - 2012
5-18 Instruments and Controls
A Driver Information Center (DIC)
tire pressure message may also
display. SeeVehicle Messages on
page 5‑23 for more information.
Stop as soon as possible, and
inflate the tires to the pressure value
shown on the Tire and Loading
Information label. See Tire Pressure
on page 10‑54 for more information.
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 on page 10‑58 for
more information.Engine Oil Pressure Light
{WARNING
Do not keep driving if the oil
pressure is low. The engine can
become so hot that it catches fire.
Someone could be burned. Check
the oil as soon as possible and
have the vehicle serviced.
Notice: 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 comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer. If the system is working
normally, the indicator light then
goes off.
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 it might
have some other system problem.

Black plate (20,1)GMC Canyon Owner Manual - 2012
5-20 Instruments and Controls
Information Displays
Driver Information
Center (DIC)
The Driver Information Center (DIC)
displays information such as the trip
odometer, personalization features,
and warning messages. The DIC
display is located on the instrument
panel cluster.
Operation and Displays
The Driver Information Center (DIC)
comes on when the ignition is on.
If a problem is detected, a warning
message appears on the display.
Pressing and releasing the trip
odometer reset stem on the DIC
acknowledges some current
warnings or service messages.
Some messages only clear after the
required action has been taken.
The DIC has different menu items
which can be accessed by pressing
the trip odometer reset stem on the
DIC. This includes trip information,such as the odometer and trip
odometer, engine oil life reset, and
personalization features that are
explained in the following
information. The DIC trip odometer
reset stem is located on the
instrument panel cluster next to
the DIC display.
Trip Information
Odometer
The odometer is automatically
displayed on the DIC when you start
the vehicle. The odometer shows
the total distance the vehicle has
been driven in either miles for the
United States or kilometers for
Canada.
Trip Odometer
Press and release the reset stem
until TRIP appears on the DIC
display. The trip odometer shows
the current distance traveled since
the last reset of the trip odometer in
either miles for the United States or
kilometers for Canada.
To reset the trip odometer, press
and hold the reset stem until the
display returns to zero.
Engine Oil Life System
With the engine off, turn the
key to ON/RUN and then press the
reset stem until OIL LIFE RESET
appears
—alternating between OIL
LIFE and RESET —on the DIC
display. The CHANGE OIL message
alerts you to change the oil on a
schedule consistent with your
driving conditions. Always reset the
OIL LIFE message after an oil
change. To reset the message, see
Engine Oil Life System on
page 10‑12.
In addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended in the Maintenance
Schedule in this manual. See
Engine Oil on page 10‑9 and
Maintenance Schedule on
page 11‑3 for more information.

Black plate (24,1)GMC Canyon Owner Manual - 2012
5-24 Instruments and Controls
FLUID
This message displays if the brake
fluid is low. Check the brake fluid as
soon as possible and have your
vehicle serviced by your dealer.
SeeBraking on page 9‑4 for more
information. Press and release the
reset stem to acknowledge the
message and clear it from the
display.
PARK BRK (Brake)
This message displays when the
parking brake is set. See Parking
Brake on page 9‑42 andAntilock
Brake System (ABS) Warning Light
on page 5‑16 for more information.
The message clears from the
display after the parking brake is
released or by pressing and
releasing the reset stem.
Door Ajar Messages
DOORS
This message displays when one or
more of the doors is ajar. Check all
the doors on your vehicle to make
sure they are closed. The message
clears from the display after all of
the doors are closed.
Engine Cooling System
Messages
AC (Air Conditioning) OFF
This message displays when the
engine coolant temperature is too
high and the air conditioning in your
vehicle needs to be turned off. See
Engine Overheating on page 10‑23
and Climate Control Systems on
page 8‑1 for more information. This
message displays along with the
ENG HOT message.
ENG (Engine) HOT
This message displays when the
engine coolant temperature is hot.
Check the engine coolant
temperature gauge. See Engine
Coolant Temperature Gauge on
page 5‑9. Have your vehicle
serviced by your dealer as soon as
possible if you suspect the engine is
overheating. See Engine
Overheating on page 10‑23 for
more information.
Engine Oil Messages
CHANGE OIL
This message displays when the oil
needs to be changed. Check the oil
in your vehicle as soon as possible
and have your vehicle serviced by
your dealer. See Engine Oil on
page 10‑9 andMaintenance
Schedule on page 11‑3 for more
information. Press and release the
reset stem to acknowledge the
message and clear it from the
display.

Black plate (4,1)GMC Canyon Owner Manual - 2012
9-4 Driving and Operating
Control of a Vehicle
Braking, steering, and accelerating
are important factors in helping to
control a vehicle while driving.
Braking
Braking action involves perception
time and reaction time. Deciding to
push the brake pedal is perception
time. Actually doing it is
reaction time.
Average driver reaction time is
about three-quarters of a second.
In that time, a vehicle moving at
100 km/h (60 mph) travels
20 m (66 ft), which could be a lot
of distance in an emergency.
Helpful braking tips to keep in
mind include:
.Keep enough distance between
you and the vehicle in front
of you.
.Avoid needless heavy braking.
.Keep pace with traffic.If the engine ever stops while the
vehicle is being driven, brake
normally but do not pump the
brakes. Doing so could make the
pedal harder to push down. If the
engine stops, there will be some
power brake assist but it will be
used when the brake is applied.
Once the power assist is used up, it
can take longer to stop and the
brake pedal will be harder to push.
Steering
Hydraulic Power Steering
Your vehicle has hydraulic power
steering. It may require
maintenance. See
Power Steering
Fluid on page 10‑25.
If power steering assist is lost due
to a system malfunction, the vehicle
can be steered, but may require
increased effort.
See your dealer if there is a
problem.
Curve Tips
.Take curves at a reasonable
speed.
.Reduce speed before entering
a curve.
.Maintain a reasonable steady
speed through the curve.
.Wait until the vehicle is out of
the curve before accelerating
gently into the straightaway.
Steering in Emergencies
.There are some situations when
steering around a problem may
be more effective than braking.
.Holding both sides of the
steering wheel allows you to turn
180 degrees without removing
a hand.
.The Antilock Brake System
(ABS) allows steering while
braking.

Black plate (6,1)GMC Canyon Owner Manual - 2012
9-6 Driving and Operating
Remember: Antilock brakes help
avoid only the braking skid.
Off-Road Driving
Off-Road Driving
Four-wheel-drive vehicles can be
used for off-road driving. Vehicles
without four-wheel drive and
vehicles not equipped with All
Terrain (AT) or On-Off Road (OOR)
tires must not be driven off-road
except on a level, solid surface.
To contact the tire manufacturer for
more information about the original
equipment tires, see the Limited
Warranty and Owner Assistance
Information manual.Controlling the vehicle is the key to
successful off-road driving. One of
the best ways to control the vehicle
is to control the speed.{WARNING
When driving off-road, bouncing
and quick changes in direction
can easily throw you out of
position. This could cause you to
lose control and crash. You and
your passengers should always
wear safety belts.
Before Driving Off-Road
.Have all necessary maintenance
and service work completed.
.Fuel the vehicle, fill fluid levels,
and check inflation pressure in
all tires, including the spare,
if equipped.
.Read all the information about
four-wheel-drive vehicles in
this manual.
.Make sure all underbody
shields, if equipped, are properly
attached.
.Know the local laws that apply to
off-road driving.
To gain more ground clearance if
needed, it may be necessary to
remove the front fascia lower
air dam.
Notice: Operating the vehicle
for extended periods without
the front fascia lower air dam
installed can cause improper air
flow to the engine. Re‐attach the
front fascia air dam after off-road
driving.

Black plate (11,1)GMC Canyon Owner Manual - 2012
Driving and Operating 9-11
Driving in Water
{WARNING
Driving through rushing water can
be dangerous. Deep water can
sweep your vehicle downstream
and you and your passengers
could drown. If it is only shallow
water, it can still wash away the
ground from under your tires.
Traction could be lost, and the
vehicle could roll over. Do not
drive through rushing water.Notice:
Do not drive through
standing water if it is deep
enough to cover the wheel hubs,
axles or exhaust pipe. Deep water
can damage the axle and other
vehicle parts.
If the standing water is not too deep,
drive slowly through it. At faster
speeds, water splashes on the
ignition system and the vehicle can
stall. Stalling can also occur if you
get the exhaust pipe under water.
While the exhaust pipe is under
water, you will not be able to start
the engine. When going through
water, the brakes get wet, and it
might take longer to stop. See
Driving on Wet Roads on
page 9‑12.
After Off-Road Driving
Remove any brush or debris that
has collected on the underbody,
or chassis, or under the hood.
These accumulations can be a
fire hazard.
After operation in mud or sand,
have the brake linings cleaned and
checked. These substances can
cause glazing and uneven braking.
Check the body structure, steering,
suspension, wheels, tires, and
exhaust system for damage and
check the fuel lines and cooling
system for any leakage.
More frequent maintenance
service is required. Refer to the
Maintenance Schedule on
page 11‑3 for more information.