2006 CHEVROLET HHR ECU

Safety Chains
You should always attach chains between your vehicle
and your trailer. Cross the safety chains under the
tongue of the trailer so that the tongue will not drop to
the road if it becomes separated from the hitch.
Instructions about safety chains may be provided by the
hitch manufacturer or by the trailer manufacturer.
Follow the manufacturer’s recommendation for attaching
safety chains and do not attach them to the bumper.
Always leave just enough slack so you can turn
with your rig. And, never allow safety chains to drag on
the ground.
Trailer Brakes
Does your trailer have its own brakes? Be sure to read
and follow the instructions for the trailer brakes so
you will be able to install, adjust and maintain them
properly. Do not try to tap into your vehicle’s brake
system. If you do, both brake systems will not work well,
or at all.
Driving with a Trailer
Towing a trailer requires a certain amount of experience.
Before setting out for the open road, you will want to
get to know your rig. Acquaint yourself with the feel of
handling and braking with the added weight of the trailer.
And always keep in mind that the vehicle you are
driving is now a good deal longer and not nearly as
responsive as your vehicle is by itself.
Before you start, check all trailer hitch parts and
attachments, safety chains, electrical connector, lamps,
tires and mirror adjustment. If the trailer has electric
brakes, start your vehicle and trailer moving and then
apply the trailer brake controller by hand to be sure
the brakes are working. This lets you check your
electrical connection at the same time.
During your trip, check occasionally to be sure that the
load is secure, and that the lamps and any trailer
brakes are still working.
4-44

{CAUTION:
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot
enough. Do not spill coolant on a hot engine.
Pressure Cap
Notice:If the pressure cap is not tightly installed,
coolant loss and possible engine damage may
occur. Be sure the cap is properly and tightly
secured.
SeeEngine Compartment Overview on page 5-12for
more information on location.
Engine Overheating
You will nd a coolant temperature warning light and a
coolant temperature gage on your vehicle’s instrument
panel. SeeEngine Coolant Temperature Warning
Light on page 3-34andEngine Coolant Temperature
Gage on page 3-35for more information.
If Steam Is Coming From Your Engine
{CAUTION:
Steam from an overheated engine can burn
you badly, even if you just open the hood.
Stay away from the engine if you see or hear
steam coming from it. Just turn it off and get
everyone away from the vehicle until it cools
down. Wait until there is no sign of steam or
coolant before you open the hood.
If you keep driving when your engine is
overheated, the liquids in it can catch re.
You or others could be badly burned. Stop
your engine if it overheats, and get out of
the vehicle until the engine is cool.
Notice:If your engine catches re because you
keep driving with no coolant, your vehicle can
be badly damaged. The costly repairs would not
be covered by your warranty.
5-23

1. Open the liftgate. SeeLiftgate on page 2-13for
more information.
2. Install the strap (F) on the oor of the spare tire
compartment.
3. Place the jack and wheel wrench (E) over the
bolt (G), making sure the strap is securely
stored, under the jack and wheel wrench.
4. Secure the jack and wheel wrench (E) with the
wing nut (D).
5. With the valve stem up, place the spare tire (C)
on the compartment oor.
6. Make sure the bolt (G) passes through the
wheel center.
7. Install the spare tire cover (B).
8. Secure the spare tire and tools with the retainer (A).
The compact spare tire storage area is designed only
for the compact spare tire, the standard tire cannot
be stored there.Compact Spare Tire
Although the compact spare tire was fully inated when
your vehicle was new, it can lose air after a time.
Check the ination pressure regularly. It should be
60 psi (420 kPa).
After installing the compact spare on your vehicle, you
should stop as soon as possible and make sure
your spare tire is correctly inated. The compact spare
is made to perform well at speeds up to 50 mph
(80 km/h), so you can nish your trip and have your
full-size tire repaired or replaced where you want.
Of course, it is best to replace your spare with a full-size
tire as soon as you can. Your spare will last longer
and be in good shape in case you need it again.
Notice:When the compact spare is installed, do
not take your vehicle through an automatic car wash
with guide rails. The compact spare can get
caught on the rails. That can damage the tire and
wheel, and maybe other parts of your vehicle.
Do not use your compact spare on other vehicles.
And do not mix your compact spare tire or wheel with
other wheels or tires. They will not t. Keep your
spare tire and its wheel together.
Notice:Tire chains will not t your compact spare.
Using them can damage your vehicle and can
damage the chains too. Do not use tire chains
on your compact spare.
5-73

At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure they
are inated to the correct pressures. Do not forget to
check the spare tire. SeeTires on page 5-46for further
details. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-62.
Tire Wear Inspection
Tire rotation may be required for high mileage highway
drivers prior to the Engine Oil Life System service
notication. Check the tires for wear and, if necessary,
rotate the tires. SeeTire Inspection and Rotation
on page 5-53.
At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-32.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. On automatic transaxle vehicles, try to start the
engine in each gear. The vehicle should start only in
PARK (P) or NEUTRAL (N). If the vehicle starts in
any other position, your vehicle needs service.
On manual transaxle vehicles, put the shift lever in
NEUTRAL (N), push the clutch down halfway, and try
to start the engine. The vehicle should start only
when the clutch is pushed down all the way to the
oor. If the vehicle starts when the clutch is not
pushed all the way down, your vehicle needs service.
6-9

While we hope you never have the occasion to use
our service, it is added security while traveling for you
and your family. Remember, we are only a phone
call away. Chevrolet Roadside Assistance:
1-800-CHEV-USA (1-800-243-8872), text telephone
(TTY) users, call1-888-889-2438.
Chevrolet reserves the right to limit services or
reimbursement to an owner or driver when, in
Chevrolet’s judgement, the claims become excessive
in frequency or type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
Chevrolet reserves the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
roadside assistance program accessible from anywhere
in Canada or the United States. Please refer to the
Warranty and Owner Assistance Information book.
Courtesy Transportation
To enhance your ownership experience, we and our
participating dealers are proud to offer Courtesy
Transportation, a customer support program for
new vehicles.
The Courtesy Transportation program is offered to
customers in conjunction with the Bumper-to-Bumper
coverage provided by the New Vehicle Limited Warranty.
Several transportation options are available when
warranty repairs are required. This will reduce your
inconvenience during warranty repairs.
Scheduling Service Appointments
When your vehicle requires warranty service, you
should contact your dealer and request an appointment.
By scheduling a service appointment and advising
your service consultant of your transportation needs,
your dealer can help minimize your inconvenience.
If your vehicle cannot be scheduled into the service
department immediately, keep driving it until it can be
scheduled for service, unless, of course, the problem
is safety-related. If it is, please call your dealership,
let them know this, and ask for instructions.
If the dealer requests that you simply drop the vehicle off
for service, you are urged to do so as early in the work
day as possible to allow for the same day repair.
7-7

Child Restraints
Child Restraint Systems...............................1-39
Infants and Young Children...........................1-36
Lower Anchors and Tethers for Children..........1-45
Older Children.............................................1-34
Securing a Child Restraint in a
Rear Seat Position...................................1-52
Securing a Child Restraint in the
Right Front Seat Position..........................1-54
Where to Put the Restraint...........................1-43
Cigarette Lighter.............................................3-18
Cleaning
Aluminum or Chrome-Plated Wheels..............5-79
Exterior Lamps/Lenses.................................5-77
Fabric/Carpet..............................................5-75
Finish Care.................................................5-77
Inside of Your Vehicle..................................5-74
Instrument Panel, Vinyl, and Other Plastic
Surfaces.................................................5-76
Tires..........................................................5-79
Underbody Maintenance...............................5-80
Washing Your Vehicle...................................5-77
Weatherstrips..............................................5-76
Windshield and Wiper Blades........................5-78
Climate Control System...................................3-19
Air Filter, Passenger Compartment.................3-22
Outlet Adjustment........................................3-22Clutch, Hydraulic.............................................5-20
Collision Damage Repair..................................7-10
Comfort Guides, Rear Safety Belt.....................1-30
Compact Spare Tire........................................5-73
Content Theft-Deterrent....................................2-18
Control of a Vehicle.......................................... 4-6
Convenience Net............................................2-49
Coolant
Engine Temperature Gage............................3-35
Engine Temperature Warning Light.................3-34
Heater, Engine............................................2-26
Cooling System..............................................5-25
Cruise Control................................................3-11
Cupholder(s)..................................................2-45
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to General Motors....7-14
Reporting Safety Defects to the
Canadian Government..............................7-14
Reporting Safety Defects to the
United States Government.........................7-13
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-14
3

D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking.............................................2-11
Doing Your Own Service Work........................... 5-4
Dome Lamp ...................................................3-17
Door
Automatic Door Lock....................................2-11
Delayed Locking..........................................2-11
Locks........................................................2-10
Power Door Locks.......................................2-10
Programmable Automatic Door Unlock............2-11
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-18
Seat Height Adjuster...................................... 1-3
Six-Way Power Seat...................................... 1-3
Driver Information Center (DIC).........................3-40
DIC Operation and Displays..........................3-41
DIC Vehicle Personalization..........................3-45
DIC Warnings and Messages........................3-43
Driving
At Night.....................................................4-17
City ...........................................................4-21
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Freeway.....................................................4-22
Hill and Mountain Roads..............................4-24Driving (cont.)
In Rain and on Wet Roads...........................4-19
Rocking Your Vehicle to Get it Out.................4-31
Winter........................................................4-26
E
Electrical System
Add-On Equipment......................................5-83
Engine Compartment Fuse Block...................5-85
Floor Console Fuse Block.............................5-84
Fuses and Circuit Breakers...........................5-83
Headlamp Wiring.........................................5-83
Power Windows and Other Power Options......5-83
Windshield Wiper Fuses...............................5-83
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-32
Check and Service Engine Soon Light............3-35
Coolant......................................................5-20
Coolant Heater............................................2-26
Coolant Temperature Gage...........................3-35
Coolant Temperature Warning Light................3-34
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheating................................................5-23
Starting......................................................2-24
4

L
Labeling, Tire Sidewall.....................................5-47
Lamps
Battery Run-Down Protection.........................3-17
Dome ........................................................3-17
Fog ...........................................................3-16
Mirror Reading............................................3-17
Rear Reading.............................................3-17
LATCH System
Child Restraints...........................................1-45
Liftgate..........................................................2-13
Light
Airbag Readiness........................................3-28
Anti-Lock Brake System Warning...................3-33
Brake System Warning.................................3-32
Charging System.........................................3-31
Engine Coolant Temperature Warning.............3-34
Enhanced Traction System (ETS)
Warning Light..........................................3-34
Fog Lamp ..................................................3-39
Highbeam On.............................................3-39
Malfunction Indicator....................................3-35Light (cont.)
Oil Pressure...............................................3-38
Passenger Airbag Status Indicator..................3-29
Passenger Safety Belt Reminder....................3-27
Safety Belt Reminder...................................3-27
Security.....................................................3-39
Up-Shift.....................................................3-32
Lighting
Entry/Exit...................................................3-17
Loading Your Vehicle.......................................4-32
Lockout Protection..........................................2-12
Locks
Automatic Door Lock....................................2-11
Delayed Locking..........................................2-11
Door ..........................................................2-10
Lockout Protection.......................................2-12
Power Door ................................................2-10
Programmable Automatic Door Unlock............2-11
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-16
Lumbar
Power Controls............................................. 1-4
7