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9-60 Driving and Operating
Towing Equipment
Hitches
It is important to have the correct
hitch equipment. Crosswinds, large
trucks going by and rough roads are
a few reasons why the right hitch is
needed.
.The rear bumper on the vehicle
is not intended for hitches. Do
not attach rental hitches or other
bumper-type hitches to it. Use
only a frame-mounted hitch that
does not attach to the bumper.
.Will any holes be made in the
body of the vehicle when the
trailer hitch is installed? If there
are, then be sure to seal the
holes when the hitch is removed.
If the holes are not sealed, dirt,
water, and deadly carbon
monoxide (CO) from the exhaust
may get into the vehicle. See
Engine Exhaust on page 9‑34.
Safety Chains
Always attach chains between the
vehicle and the trailer. Cross the
safety chains under the tongue of
the trailer to help prevent the tongue
from contacting the road if it
becomes separated from the hitch.
Always leave just enough slack so
the rig can turn. Never allow safety
chains to drag on the ground.
Trailer Brakes
A loaded trailer that weighs more
than 450 kg (1,000 lbs) needs to
have its own brake system that is
adequate for the weight of the
trailer. Be sure to read and follow
the instructions for the trailer brakes
so they are installed, adjusted and
maintained properly.
Because the vehicle has antilock
brakes, do not try to tap into the
vehicle's hydraulic brake system.
If you do, both brake systems will
not work well, or at all.
Trailer Sway
Control (TSC)
Trailer Sway Control (TSC)
The vehicle has a Trailer Sway
Control (TSC) feature as part of the
StabiliTrak system. If the vehicle is
towing a trailer and the system
detects that the trailer is swaying,
the vehicle's brakes are applied
without the driver pressing the brake
pedal. The TCS/StabiliTrak warning
light will flash on the instrument
panel cluster to notify the driver to
reduce speed. If the trailer
continues to sway, StabiliTrak will
reduce engine torque to help slow
the vehicle.
Adding non‐dealer/non‐retailer
accessories can affect the vehicle's
performance. SeeAccessories and
Modifications
on page 10‑3for
more information.
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10-20 Vehicle Care
Engine Overheating
There is a coolant temperature
warning light on your vehicle's
instrument panel. SeeEngine
Coolant Temperature Warning Light
on page 5‑21.
If Steam Is Coming From
Your Engine
{WARNING
Steam from an overheated engine
can cause serious injury, even if
the hood is opened just a little.
Stay away from the engine if
steam is seen or heard coming
from it. Just turn it off and get
everyone away from the vehicle
(Continued)
WARNING (Continued)
until it cools down. Wait until there
is no sign of steam or coolant
before opening the hood.
If driving continues when the
engine is overheated, the liquids
in it can catch fire. Someone
could get badly burned. Stop the
engine if it overheats, and get out
of the vehicle until the engine has
cooled.
Notice: Driving the vehicle when
there is no coolant in the coolant
overflow recovery bottle, can
badly damage the engine.
The costly repairs would not be
covered by the vehicle warranty.
If No Steam Is Coming From
The Engine
If there is an engine overheat
warning, but no steam can be seen
or heard, the problem may not be
too serious. Sometimes the engine
can get a little too hot when the
vehicle:
.Climbs a long hill on a hot day.
.Stops after high-speed driving.
.Idles for long periods in traffic.
.Tows a trailer.
If there is an overheat warning with
no sign of steam, try this for a
minute or so:
1. If there is an air conditioner and it is on, turn it off.
2. Turn on the heater to full hot at the highest fan speed and open
the windows as necessary.
3. Try to minimize engine load. If in a traffic jam, shift to N (Neutral);
otherwise, shift to the highest
gear possible while driving.
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Vehicle Care 10-39
FusesUsage
ECM Engine Control
Module
ENG-3 Engine 3
ENG-2 Engine 2
ENG-1 Engine 1
HYBRID BEC Not Used
RUN Run
S/ROOF Sunroof Module
HTD/SEAT Heated Seat Control
Module
BCM Body Control
Module
STRTR Starter Motor WPR Windshield Wiper
4WD/ESCM All-Wheel Drive
System
ABS Antilock Brake
System Module Fuses
Usage
A/C CLTCH Air Conditioning
Compressor
BLWR MTR Blower Motor AMP Amplifier
HORN Horn
ABS Antilock Brake
System Module
I/P BEC Instrument Panel
Bussed Electrical
Center
FRT FOG Front Fog Lamps
I/P BEC Instrument Panel
Bussed Electrical
Center
DRL Daytime Running
Light
T/LAMP RT Right Marker and
Parking Lamps
T/LAMP LT Left Marker and
Parking Lamps Fuses
Usage
TRLR
T/LAMP Trailer Parking
Lamps
HDLP HI LT Passenger Side
High-Beam
Headlamp
STOP LP Stoplamps DEFOG Defroster Fog
HDLP
LO RT Driver Side
Low-Beam
Headlamp
HDLP
LO LT Passenger Side
Low-Beam
Headlamp
HDLP HI RT Driver Side
High-Beam
Headlamp
OSRVM HTR Outside Rearview
Mirror Heating
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10-42 Vehicle Care
Fuses Usage
F/DR LCK Front Driver
Door Lock
APO2 Accessory Power
Outlet 2
BCM (VB3) Body Control
Module (BCM) (VB3)
DR LCK Door Lock
BCM (VB6) Body Control
Module (VB6)
BCM (VB4) Body Control
Module (VB4)
BCM (VB5) Body Control
Module (VB5)
TRL Trailer
AIRCON Air Conditioner AUDIO Audio Fuses Usage
BCM (VB7) Body Control
Module (VB7)
IGN SW Ignition Switch
AIR BAG Air Bag System
WASHER Washer Pump
APO1 Accessory Power
Outlet 1
FSCM Fuel Storage Control
Module
RR CLR Rear Closure
BCM (VB2) Body Control
Module (VB2)
DRL Daytime Running
Light
BCM (VB1) Body Control
Module (VB1)
ONSTAR OnStar
®
Relays Usage
RELAY
ACC/RAP Accessory, Retained
Accessory Power
(RAP) Relay
RELAY RUN/
CRANK Run/Crank Relay
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10-78 Vehicle Care
Towing
Towing the Vehicle
To avoid damage, the disabled
vehicle should be towed with all
four wheels off the ground.
Consult your dealer/retailer or a
professional towing service if the
disabled vehicle must be towed.
To tow the vehicle behind
another vehicle for recreational
purposes—such as behind a
motorhome, see Recreational
Vehicle Towing following.
Recreational Vehicle
Towing
Recreational vehicle towing means
towing the vehicle behind another
vehicle –such as behind a
motorhome. The two most common
types of recreational vehicle towing
are known as dinghy towing and
dolly towing. Dinghy towing is
towing the vehicle with all four
wheels on the ground. Dolly towing
is towing the vehicle with two
wheels on the ground and two
wheels up on a device known as
a dolly. Here are some important things
to consider before recreational
vehicle towing:.What is the towing capacity
of the towing vehicle?
Be sure to read the tow
vehicle manufacturer's
recommendations.
.What is the distance that will be
travelled? Some vehicles have
restrictions on how far and how
long they can tow.
.Is the proper towing equipment
going to be used? See your
dealer/retailer or trailering
professional for additional
advice and equipment
recommendations.
.Is the vehicle ready to be
towed? Just as preparing the
vehicle for a long trip, make
sure the vehicle is prepared
to be towed.
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Vehicle Care 10-79
Dinghy Towing
Front-wheel‐drive and
all-wheel-drive vehicles may be
dinghy towed from the front.
These vehicles can also be towed
by placing them on a platform trailer
with all four wheels off of the
ground. For other towing options,
see“Dolly Towing” following in this
section.
For vehicles being dinghy towed,
the vehicle should be run at the
beginning of each day and at each
RV fuel stop for about five minutes.
This will ensure proper lubrication of
transmission components.
To tow the vehicle from the front
with all four wheels on the ground:
1. Position the vehicle that will be towed and secure it to the
towing vehicle.
2. Turn the ignition key to ACC/ACCESSORY. 3. Shift the transmission to
N (Neutral).
4. Turn fog lamps and all accessories off.
5. To prevent the battery from draining while the vehicle is
being towed, remove the
2 amp IGN SW fuse from the
instrument panel fuse block
and store it in a safe location.
See Instrument Panel Fuse
Block on page 10‑40
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10-80 Vehicle Care
Notice:If the vehicle is towed
without performing each of the
steps listed under “Dinghy
Towing,” the automatic
transmission could be damaged.
Be sure to follow all steps of the
dinghy towing procedure prior to
and after towing the vehicle.
Notice: If the vehicle has a
four‐speed automatic
transmission, it can be dinghy
towed from the front for unlimited
miles at 105 km/h (65 mph).
The vehicle could be damaged If
105 km/h (65 mph) is exceeded
while towing the vehicle. The
repairs would not be covered by
the vehicle warranty. Never
exceed 105 km/h (65 mph) while
towing the vehicle. Once the destination has been
reached:
1. Set the parking brake.
2. Shift the transmission to
P (Park).
3. Reinstall the 2 amp IGN SW fuse to the instrument panel
fuse block.
4. Turn the ignition key to LOCK/OFF and remove the
key from the ignition.
Notice: Too much or too little
fluid can damage the
transmission. Be sure that the
transmission fluid is at the
proper level before towing with
all four wheels on the ground. Notice:
Do not tow a vehicle
with the front drive wheels on
the ground if one of the front
tires is a compact spare tire.
Towing with two different tire
sizes on the front of the vehicle
can cause severe damage to the
transmission.
Dolly Towing
(All-Wheel‐Drive Vehicles)
All-wheel‐drive vehicles should not
be towed with two wheels on the
ground. To properly tow these
vehicles, they should be placed on
a platform trailer with all four wheels
off of the ground or dinghy towed
from the front.
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Service and Maintenance 11-5
First Engine Oil Change After
Every 40 000 km/25,000 Miles
.Fuel system inspection for
damage or leaks.
First Engine Oil Change After
Every 80 000 km/50,000 Miles
.Engine air cleaner filter
replacement. See Engine Air
Cleaner/Filter on page 10‑12.
.Automatic transmission fluid
change (severe service) for
vehicles mainly driven in heavy
city traffic in hot weather, in hilly
or mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service. See
Automatic Transmission Fluid
on
page 10‑12.
.Transfer case fluid change
(severe service) for vehicles
mainly driven in hilly or
mountainous terrain, when
frequently towing a trailer,
or used for taxi, police,
or delivery service. First Engine Oil Change After
Every 160 000 km/100,000 Miles
.Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid
on
page 10‑12.
.Transfer case fluid change
(normal service).
.Spark plug replacement. An
Emission Control Service. First Engine Oil Change After
Every 240 000 km/150,000 Miles
.Engine cooling system drain,
flush, and refill, cooling system
and cap pressure check, and
cleaning of outside of radiator
and air conditioning condenser
(or every 5 years, whichever
occurs first). See
Cooling
System
on page 10‑14. An
Emission Control Service.
.Engine accessory drive belt
inspection for fraying, excessive
cracks, or obvious damage and
replacement, if needed. An
Emission Control Service.
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