2008 CHEVROLET HHR check engine

(h)Change automatic transmission fluid and filter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require changing.
(i)Drain, flush, and refill cooling system. This service
can be complex; you should have your dealer/retailer
perform this service. See Engine Coolant on page 5-24
for what to use. Inspect hoses. Clean radiator,
condenser, pressure cap, and filler neck. Pressure test
the cooling system and pressure cap.
(j)A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the fluid level checked. Add fluid if needed.
(k)If you drive regularly under dusty conditions, inspect
the filter at each engine oil change.
(l)If you drive regularly under dusty conditions, the filter
may require replacement more often.
(m)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your dealer/retailer can assist you with these
checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-15.
6-8

Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-24.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the windshield
washer uid reservoir and add the proper uid if
necessary.
At Least Once a Month
Tire Ination Check
Inspect your vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to check
the spare tire. SeeInflation - Tire Pressure on
page 5-60. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-86.
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 5-66.
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 2-33.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. On automatic transmission 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, contact your
dealer/retailer for service.
6-9

On manual transmission vehicles, put the shift lever
in NEUTRAL, push the clutch pedal down halfway,
and try to start the engine. The vehicle should
start only when the clutch pedal is pushed down all
the way to the oor. If the vehicle starts when
the clutch pedal is not pushed all the way down,
contact your dealer/retailer for service.
Automatic Transmission Shift Lock
Control System 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. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-33.
Be ready to apply the regular brake immediately if
the vehicle begins to move.3. With the engine off, turn the ignition to ON/RUN,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of PARK (P) with normal effort. If the shift lever
moves out of PARK (P), contact your dealer/retailer
for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
With an automatic transmission, the ignition
should turn to LOCK/OFF only when the shift lever
is in PARK (P). The ignition key should come
out only in LOCK/OFF.
With a manual transmission, the ignition key should
come out only in LOCK/OFF.
Turn the steering wheel to the left and to the right. It
should only lock when turned to the right. Contact your
dealer/retailer if service is required.
6-10

Parking Brake and Automatic
Transmission Park (P) Mechanism
Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set
the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

Service Publications Ordering
Information
Service Manuals
Service Manuals have the diagnosis and repair
information on engines, transmission, axle suspension,
brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins’ give additional technical service
information needed to knowledgeably service General
Motors cars and trucks. Each bulletin contains
instructions to assist in the diagnosis and service of
your vehicle.
Owner Information
Owner publications are written specically for owners
and intended to provide basic operational information
about the vehicle. The owner manual includes the
Maintenance Schedule for all models.
In-Portfolio: Includes a Portfolio, Owner Manual, and
Warranty Booklet.
RETAIL SELL PRICE: $35.00 (U.S.) plus processing fee
Without Portfolio: Owner Manual only.
RETAIL SELL PRICE: $25.00 (U.S.) plus processing fee
Current and Past Model Order Forms
Technical Service Bulletins and Manuals are available
for current and past model GM vehicles. To request
an order form, specify year and model name of
the vehicle.
ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM - 6:00 PM
Eastern Time
For Credit Card Orders Only
(VISA-MasterCard-Discover), visit Helm, Inc. on the
World Wide Web at: www.helminc.com
Or you can write to:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
Prices are subject to change without notice and without
incurring obligation. Allow ample time for delivery.
Note to Canadian Customers: All listed prices are
quoted in U.S. funds. Canadian residents are to make
checks payable in U.S. funds.
7-15

Audio System(s).............................................3-62
Automatic Door Lock.......................................2-10
Automatic Headlamp System............................3-17
Automatic Transmission
Fluid..........................................................5-23
Operation...................................................2-28
B
Battery..........................................................5-37
Electric Power Management..........................3-20
Run-Down Protection...................................3-20
Boost Gage...................................................3-45
Brake
Emergencies................................................ 4-6
Brakes..........................................................5-34
System Warning Light..................................3-35
Braking........................................................... 4-3
Braking in Emergencies..................................... 4-6
Break-In, New Vehicle.....................................2-21
Bulb Replacement...........................................5-46
Center High-Mounted Stoplamp (CHMSL)........5-48
Halogen Bulbs............................................5-46
Headlamp Aiming........................................5-43
Headlamps, Front Turn Signal, and Parking
Lamps....................................................5-46Bulb Replacement (cont.)
License Plate Lamps....................................5-50
Replacement Bulbs......................................5-50
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-49
Buying New Tires...........................................5-69
C
Calibration.............................................2-39, 2-41
California Fuel.................................................. 5-6
California Perchlorate Materials Requirements....... 5-4
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-125
Carbon Monoxide...........................2-37, 4-22, 4-34
Care of
Safety Belts..............................................5-112
Cargo, Rear Side Door....................................2-12
CD, MP3 .......................................................3-72
Center High-Mounted Stoplamp (CHMSL)...........5-48
Chains, Tire...................................................5-74
Charging System Light....................................3-34
Check
Engine Light...............................................3-40
2

Checking Things Under the Hood......................5-10
Chemical Paint Spotting.................................5-116
Child Restraints
Child Restraint Systems...............................1-40
Infants and Young Children...........................1-36
Lower Anchors and Tethers for Children..........1-43
Older Children.............................................1-33
Securing a Child Restraint in a Rear Seat
Position..................................................1-51
Securing a Child Restraint in the Right
Front Seat Position...................................1-53
Where to Put the Restraint...........................1-42
Cigarette Lighter.............................................3-22
Cleaning
Aluminum or Chrome-Plated Wheels.............5-115
Exterior Lamps/Lenses................................5-113
Fabric/Carpet............................................5-111
Finish Care...............................................5-114
Instrument Panel, Vinyl, and Other Plastic
Surfaces...............................................5-112
Interior.....................................................5-110
Tires........................................................5-116
Underbody Maintenance.............................5-116
Washing Your Vehicle.................................5-113
Weatherstrips............................................5-113
Windshield and Wiper Blades......................5-114Climate Control System...................................3-23
Air Filter, Passenger Compartment.................3-26
Outlet Adjustment........................................3-26
Clock, Setting.................................................3-60
Clutch, Hydraulic.............................................5-23
Collision Damage Repair..................................7-10
Compact Spare Tire......................................5-109
Compass...............................................2-39, 2-41
Compressor Kit, Tire Sealant............................5-76
Content Theft-Deterrent....................................2-18
Control of a Vehicle.......................................... 4-3
Convenience Net
............................................2-51
Coolant
Engine Temperature Gage............................3-39
Engine Temperature Warning Light.................3-38
Heater, Engine............................................2-27
Cooling System..............................................5-28
Cruise Control................................................3-12
Cupholder(s)..................................................2-47
Customer Assistance Information
Courtesy Transportation.................................. 7-9
Customer Assistance for Text Telephone (TTY)
Users....................................................... 7-4
Customer Assistance Offices........................... 7-5
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-6
3

Electrical System (cont.)
Power Windows and Other Power Options....5-119
Windshield Wiper Fuses.............................5-119
Electronic Stability Control................................4-10
Electronic Stability Control Indicator Light...........3-37
Engine
Air Cleaner/Filter.........................................5-20
Check and Service Engine Soon Light............3-40
Coolant......................................................5-24
Coolant Heater............................................2-27
Coolant Temperature Gage...........................3-39
Coolant Temperature Warning Light................3-38
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-37
Oil .............................................................5-15
Oil Life System...........................................5-19
Overheating................................................5-26
Running While Parked..................................2-38
Starting......................................................2-25
Enhanced Traction System (ETS)........................ 4-9
Warning Light.............................................3-37
Entry/Exit Lighting...........................................3-19
Event Data Recorders.....................................7-16
Extender, Safety Belt.......................................1-32F
Filter
Engine Air Cleaner......................................5-20
Finish Damage.............................................5-116
Fixed Mast Antenna........................................3-80
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-75
Flat Tire, Changing.........................................5-86
Flat Tire, Storing...........................................5-106
Fluid.............................................................5-23
Windshield Washer......................................5-33
Fog Lamp
Fog ...........................................................3-18
Fog Lamp Light..............................................3-44
Folding Rear Seat...........................................1-10
Folding Seatback, Passenger............................. 1-8
Front Console Storage Area.............................2-47
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-7
Fuels in Foreign Countries.............................. 5-7
5