tires Hyundai Matrix 2004 Owner's Manual
[x] Cancel search | Manufacturer: HYUNDAI, Model Year: 2004, Model line: Matrix, Model: Hyundai Matrix 2004Pages: 317, PDF Size: 5.12 MB
Page 100 of 317
DRIVING YOUR HYUNDAI
2- 2
C040A01A-AAT KEY POSITIONSWARNING: The engine should not be turned off or the key removed from the ignition key cylinder while the vehicle is in motion. The steering wheel is locked by removing the key.
C040A01E
LOCK
ACC
ON
START
o "START" The engine is started in this position. It will crank until you release the key. NOTE: Do not hold the key in the "START" position for more than 15 seconds.
o "ON" When the key is in the "ON position, the ignition is on and all accessories may be turned on. If the engine is not running, the key should not be left in the "ON" position. This will discharge the battery and may also damage the ignition sys- tem.
o "ACC" With the key in the "ACC" position, the some electrical accessories (radio, etc.) may be oper- ated.
C020A01O-GAT BEFORE STARTING THE ENGINE Before you start the engine, you should always:
1. Look around the vehicle to be sure there are
no flat tires, puddles of oil, water or other indications of possible trouble.
2. After entering the car, check to be sure the parking brake is engaged.
3. Check that all windows, and lights are clean.
4. Check that the interior and exterior mirrors are clean and in position.
5. Check your seat, seatback and headrest to
be sure they are in their proper positions.
6. Lock all the doors.
7. Fasten your seat belt and be sure that all other occupants have fastened theirs.
8. Turn off all lights and accessories that are not needed.
9. When you turn the ignition switch to “ON”, check that all appropriate warning lights areoperating and that you have sufficient fuel.
10. Check the operation of warning lights and all
bulbs when key is in the “ON” position.
WARNING: (DIESEL ENGINE) To ensure that sufficient vacuum exists with- in the brake system during cold weather start- up conditions, it is necessary to run the engine at idle for several seconds after start- ing the engine.
C030A01A-GAT COMBINATION IGNITION SWITCH To Start the Engine Before starting the engine:
o If your Hyundai is equipped with a manual transaxle, place the shift lever in neutral and depress the clutch pedal fully.
o If your Hyundai has an automatic transaxle,
place the shift lever in "P" (park).
o To start the engine, insert the ignition key and
turn it to the "START" position. Release it as soon as the engine starts. Do not hold the key in the "START" position for more than 15 seconds.
NOTE: For safety, the engine will not start if the shift lever is not in "P" or "N" Position (automatic transaxle).
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DRIVING YOUR HYUNDAI
2- 10 C150A01A-AAT
SMOOTH CORNERING
Avoid braking or gear changing in corners, espe- cially when roads are wet. Ideally, corners should always be taken under gentle acceleration. If you follow these suggestions, tire wear will be held to a minimum.
curbs or driving too fast over irregular surfac- es. Poor alignment causes faster tire wear and may also result in other problems as well as greater fuel consumption.
o Keep your car in good condition. For better
fuel economy and reduced maintenance costs, maintain your car in accordance with the maintenance schedule in Section 5. If you drive your car in severe conditions, more frequent maintenance is required (see Sec- tion 5 for details).
o Keep your car clean. For maximum service, your Hyundai should be kept clean and free of corrosive materials. It is especially important that mud, dirt, ice, etc. not be allowed to accumulate on the underside of the car. This extra weight can result in increased fuel con- sumption and also contribute to corrosion.
o Travel lightly. Don't carry unnecessary weight
in your car. Weight reduces fuel economy.
o Don't let the engine idle longer than neces-
sary. If you are waiting (and not in traffic), turn off your engine and restart only when you're ready to go.
o Remember, your Hyundai does not require
extended warm-up. As soon as the engine is running smoothly, you can drive away. In very cold weather, however, give your engine a slightly longer warm-up period.
o Don't "lug" or "over-rev" the engine. Lugging is driving too slowly in too high a gear result- ing in the engine bucking. If this happens, shift to a lower gear. Over-revving is racing the engine beyond its safe limit. This can be C160A01A-AAT WINTER DRIVING The more severe weather conditions of winter result in greater wear and other problems. To minimize the problems of winter driving, you should follow these suggestions: C160B01A-GAT Snowy or Icy ConditionsTo drive your vehicle in deep snow, it may be necessary to use snow tires or to install tire chains on your tires. If snow tires are needed, it is necessary to select tires equivalent in size and type to the original equipment tires. Failure to do so may adversely affect the safety and handling of your car. Speeding, rapid acceleration, sud- den brake applications, and sharp turns are potentially very hazardous practices. During
C140A01A-GAT DRIVING FOR ECONOMY You can save fuel and get more kilometers from your car if you follow these suggestions:
o Drive smoothly. Accelerate at a moderate
rate. Don't make "jack-rabbit" starts or full- throttle shifts and maintain a steady cruising speed. Don't race between stoplights. Try to adjust your speed to that of the other traffic so you don't have to change speeds unneces- sarily. Avoid heavy traffic whenever possible. Always maintain a safe distance from other vehicles so you can avoid unnecessary brak- ing. This also reduces brake wear.
o Drive at a moderate speed. The faster you drive, the more fuel your car uses. Driving at a moderate speed, especially on the high- way, is one of the most effective ways to reduce fuel consumption.
o Don't "ride" the brake or clutch pedal. This
can increase fuel consumption and also in- crease wear on these components. In addi- tion, driving with your foot resting on the brake pedal may cause the brakes to overheat, which reduces their effectiveness and may lead to more serious consequences.
o Take care of your tires. Keep them inflated to the recommended pressure. Incorrect infla- tion, either too much or too little, results in unnecessary tire wear. Check the tire pres- sures at least once a month.
o Be sure that the wheels are aligned correctly.
Improper alignment can result from hitting avoided by shifting at the recommendedspeeds.
o Use your air conditioning sparingly. The air
conditioning system is operated by engine power so your fuel economy is reduced when you use it.
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DRIVING YOUR HYUNDAI
2- 12 The hitch should be bolted securely to the car and installed by a qualified technician. DO NOT USE A HITCH DESIGNED FOR TEMPORARY INSTALLATION AND NEVER USE ONE THAT ATTACHES ONLY TO THE BUMPER. C190C03S-GAT Trailer Brakes If your trailer is equipped with a braking system, make sure it conforms to federal and/or local regulations and that it is properly installed and operating correctly. NOTE: If you tow a trailer or vehicle, your car will require more frequent maintenance due to the additional load. See "Maintenance Under Severe Usage Conditions" on page 5-5. CAUTION:
o Never connect a trailer brake system di-
rectly to the vehicle brake system.
o When towing a trailer on steep grades (in excess of 12%) pay close attention to theengine coolant temperature gauge to en- sure the engine does not overheat. If the needle of the coolant temperature gauge moves across the dial towards "H" (HOT), pull over and stop as soon as it is safe to do so, and allow the engine to idle until it cools down. You may proceed once the engine has cooled sufficiently.
C180A01A-AAT USE OF LIGHTS Check your lights regularly for correct operation and always keep them clean. When driving dur- ing the day in conditions of poor visibility, it is helpful to drive with headlights on low beam. This enables you to be seen as well as to see. C190A02A-GAT TRAILER OR VEHICLE TOWINGIf you are considering towing with your car, you should first check with your Province Depart- ment of Motor Vehicles to determine their legal requirements. Since laws vary from province to province, the requirements for towing trailers, cars, other types of vehicles, or apparatus may differ. Ask your Hyundai dealer for further details before towing. CAUTION Do not do any towing with your car during its first 2,000 km (1,200 miles) in order to allow the engine to properly break in. Failure to heed this caution may result in serious en- gine or transaxle damage. C190B01S-AAT Trailer Hitches Select the proper hitch and ball combination, making sure that it’s location is compatible with that of the trailer or vehicle being towed. Use a quality non-equalizing hitch which distrib- utes the tongue load uniformly throughout the chassis.
C160K01A-AAT Carry Emergency Equipment Depending on the severity of the weather where you drive your car, you should carry appropriate emergency equipment. Some of the items you may want to carry include tire chains, tow straps or chains, flashlight, emergency flares, sand, a shovel, jumper cables, a window scraper, gloves, ground cloth, coveralls, a blanket, etc. C170A01A-AAT HIGHER SPEED MOTORING Pre-Trip Inspections 1. Tires: Adjust the tire inflation pressures to specifica- tion. Low tire inflation pressures will result in overheating and possible failure of the tires. Avoid using worn or damaged tires which may result in reduced traction or tire failure. NOTE: Never exceed the maximum tire inflation pres- sure shown on the tires. 2. Fuel, engine coolant and engine oil: High speed travel consumes 1.5 times more fuel than urban motoring. Do not forget to check both engine coolant and engine oil. 3. Drive belt: A loose or damaged drive belt may result in overheating of the engine.
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DRIVING YOUR HYUNDAI
2- 14 MANUAL
TRANSAXLE AUTO
TRANSAXLE Trailer
1,300
(2,865) 1,100
(2,424)
550 (1,212) Tongue
52
(115)
kg (Lbs.)
Maximum Towable Weight
With BrakeType
1.5 Diesel 1.6/1.8 L 1.6/1.8 L
WARNING: Improperly loading your car and trailer can serious affect its steering and braking perfor- mance causing a crash in which could cause serious injury or death.
Without Brake Type
5. Always secure items in the trailer to prevent load shift while driving.
6. Check the condition and air pressure of all
tires on the trailer and your car. Low tire pressure can seriously affect the handling. Also check the spare tire.
7. The vehicle/trailer combination is more af-
fected by crosswind and buffeting. When being passed by a large vehicle, keep a constant speed and steer straight ahead. If there is too much wind buffeting slow down to get out of the other vehicle’s air turbulence.
8. When parking your car and trailer, especially
on a hill, be sure to follow all the normal precautions. Turn your front wheel into the curb, set the parking brake firmly, and put the transaxle in 1st or Reverse (manual) or Park (automatic). In addition, place wheel chocks at each of the trailer’s tires.
9. 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.
10. During your trip, check occasionally to be
sure that the load is secure, and that the lights and any trailer brakes are still working.
11. Avoid jerky starts, sudden acceleration or sudden stops.
12. Avoid sharp turns and rapid lane changes.
13. Avoid holding the brake pedal down too long or too frequently. This could cause the brakesto overheat, resulting in reduced braking effi- ciency. 14. When going down a hill, shift into a lower gear
and use the engine braking effect. When ascending a long grade, downshift the transaxle to a lower gear and reduce speed to reduce chances of engine overloading and/or overheating.
15. If you have to stop while going uphill, do not
hold the vehicle in place by pressing on the accelerator. This can cause the automatic transaxle to overheat. Use the parking brake or footbrake.
NOTE: When towing check transaxle fluid more fre- quently. CAUTION: If overheating should occur when towing, (temperature gauge reads near red zone), taking the following action may reduce or eliminate the problem.
1. Turn off the air conditioner.
2. Reduce highway speed.
3. Select a lower gear when going uphill.
4. While in stop and go traffic, place the gear selection in park or neutral and idle theengine at a higher speed.
C190F02A-GAT Trailer or Vehicle Towing Tips
1. Before towing, check hitch and safety chain
connections as well as proper operation of the trailer running lights, brake lights, and turn signals.
2. Always drive your vehicle at a moderate
speed (Less than 100 km/h).
3. Trailer towing requires more fuel than normal
conditions.
4. To maintain engine braking efficiency and
electrical charging performance, do not use fifth gear (manual transaxle) or overdrive (automatic transaxle).
Page 115 of 317
WHAT TO DO IN AN EMERGENCY 3-3
WARNING: While the engine is running, keep hair, hands, and clothing away from moving parts such as the fan and drive belts to prevent injury. WARNING (Diesel only): Never work on injection system with engine running or within 30 seconds after shutting off engine. High pressure pump, rail, injec- tors and high pressure pipes are subject to high pressure even after the engine stopped. The fuel jet produced by fuel leaks may cause serious injury, if it touch the body. People using pacemakers should not move than 30cm closer to the ECU or wiring harness within the engine room while engine is running, since the high currents in the Common Rail system produce considerable magnetic fields.
5. If the water pump drive belt is broken or
coolant is leaking out, stop the engine im- mediately and call the nearest Hyundai deal- er for assistance.
WARNING: Do not remove the radiator cap when the engine is hot. This can allow coolant to be blown out of the opening and cause serious burns. 2. The spare tire should only be used temporari-
ly and should be returned to the luggage compartment as soon as the original tire can be repaired or replaced.
3. Continuous use at speeds of over 80 km/h (50 mph) is not recommended.
4. As the temporary spare tire is specifically designed for your car, it should not be used on any other vehicle.
5. The temporary spare tire should not be used
on any other wheels, nor should standard tires, snow tires, wheel covers or trim rings be used with the temporary spare wheel. If such use is attempted, damage to these items or other car components may occur.
6. The temporary spare tire pressure should be
checked once a month while the tire is stored.
CAUTION:
o Do not use snow chains with your tempo- rary spare tire.
o Do not use more than one temporary spare tire at a time.
D040A01FC-GAT TEMPORARY SPARE TIRE The following instructions for the temporary spare tire should be observed:
1. Check inflation pressure as soon as possible
after installing the spare tire, and adjust to the specified pressure. The tire pressure should be periodically checked and maintained at the specified pressure while the tire is stored.
Inflation Pressure
Tire Size
T115/70R(D)15 420 kPa (60 psi)
Spare Tire Pressure
6. If you cannot find the cause of the overheat-
ing, wait until the engine temperature has returned to normal. Then, if the engine cool- ant has been lost, carefully remove the radia- tor cap and add engine coolant to bring the fluid level in the reservoir up to the halfway mark.
7. Proceed with caution, keeping alert for fur- ther signs of overheating. If overheating hap- pens again, call a Hyundai dealer for assis- tance.
CAUTION: Serious loss of engine coolant indicates there is a leak in the cooling system and this should be checked as soon as possible by a Hyundai dealer.
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WHAT TO DO IN AN EMERGENCY
3-4 D060A01A-AAT CHANGING A FLAT TIRE The procedure described on the following pages can be used to rotate tires as well as to change a flat tire. When preparing to change a flat tire, check to be sure the gear selector lever is in "P" (automatic transaxle) or reverse gear (manual transaxle) and that the parking brake is set, then:
D060A01FC
2. When the car is stopped, turn on your emer-
gency hazard flashers, set the parking brake and put the transaxle in "P" (automatic) or reverse (manual transaxle).
3. Have all passengers get out of the car. Be
sure they all get out on the side of the car that is away from traffic.
4. Change the tire following the instructions pro- vided on the following pages.
D040B01A-AAT Handling the Spare Tire
HFC4014
Remove the installation bolt to remove the spare tire. To replace the spare tire in its storage compartment, tighten the bolt firmly with your fingers until there is no more play in the spare tire.
D050A01A-AAT IF YOU HAVE A FLAT TIRE If a tire goes flat while you are driving:
1. Take your foot off the accelerator pedal and let the car slow down while driving straight ahead. Do not apply the brakes immediately or attempt to pull off the road as this may cause a loss of control. When the car has slowed to such a speed that it is safe to do so, brake carefully and pull off the road. Drive off the road as far as possible and park on firm, level ground. If you are on a divided highway, do not park in the median area between the two traffic lanes.
D040B01FC-GAT FULL SIZE SPARE TIRE (If Installed) The following instructions for the FULL SIZE spare tire should be observed: Check inflation pressure as soon as practical after installing the spare tire, and adjust to the specified pressure. The tire pressure should be periodically checked and maintained at the spec- ified pressure while the tire is stored.
Inflation Pressure
Tire Size
Full Size 210 kPa (30 psi)
Spare Tire Pressure
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CORROSION PREVENTION AND APPEARANCE CARE
4-2
E020C01A-AAT Keep Your Garage Dry Don’t park your car in a damp, poorly ventilated garage. This creates a favorable environment for corrosion. This is particularly true if you wash your car in the garage or drive it into the garage when it is still wet or covered with snow, ice or mud. Even a heated garage can contribute to corrosion unless it is well ventilated so moisture is dispersed. E020D01A-AAT Keep Paint and Trim in Good Condition Scratches or chips in the finish should be cov- ered with "touch-up" paint as soon as possible to reduce the possibility of corrosion. If bare metal is showing through, the attention of a qualified body and paint shop is recommended. E020E01A-AAT Don’t Neglect the Interior Moisture can collect under the floor mats and carpeting to cause corrosion. Check under the mats periodically to be sure the carpeting is dry. Use particular care if you carry fertilizers, clean- ing materials or chemicals in the car. These should be carried only in proper contain- ers and any spills or leaks should be cleaned up, flushed with clear water and thoroughly dried.
E030A01A-AAT WASHING AND WAXING Washing Your Hyundai Never wash your car when the surface is hot from being in the sun. Always wash your car in the shade. Wash your car frequently. Dirt is abrasive and can scratch the paint if it is not removed. Air pollution or acid rain may damage the paint and trim through chemical action if pollutants are allowed to remain in contact with the surface. If you live near the ocean or in an area where road salts or dust control chemicals are used, you should pay particular attention to the underside of the car. Start by rinsing the car to remove dust and loose dirt. In winter, or if you have driven through mud or muddy water, be sure to thor- oughly clean the underside as well. Use a hard direct stream of water to remove accumulations of mud or corrosive materials. Use a good quality car-washing solution and follow the manufacturer’s directions on the package. These are available at your Hyundai dealer or auto parts outlet. Don’t use strong household detergents, gasoline, strong solvents or abrasive cleaning powders as these may damage the finish. Use a clean sponge or cloth, rinse it frequently and don’t damage the finish by rubbing too hard. For stubborn spots, dampen them frequently and remove them a little at a time. To clean whitewall tires, use a stiff brush or soapy steel-wool scouring pad. To clean plastic wheel covers, use a clean sponge or soft cloth and water.To clean cast aluminum alloy wheels, use a mildsoap or neutral detergent. Do not use abrasive cleaners. Protect the bare-metal surfaces by cleaning, polishing and waxing. Because alumi- num is subject to corrosion, be sure to give aluminum alloy wheels special attention in win- ter. If you drive on salted roads, clean the wheels thoroughly afterwards. After washing, be sure to rinse thoroughly. If soapy water dries on the finish, streaking will result. When the weather is warm and the humidity low, you may find it necessary to rinse each section immediately after washing to avoid streaking. After rinsing, dry the car using a damp chamois or soft, absorbent cloth. The reason for drying the car is to remove water from the car so it will dry without water spots. Don’t rub, this can damage the finish. If you find any nicks or scratches in the paint, use touch-up paint to cover them to prevent corro- sion. To protect the paintwork of the car against corrosion, you must clean your Hyundai (at least once a month). Give special attention to the removal of salt, mud and other substances on the underside of the splashboards of the car. Make sure that the outlets and the underside of the doors are open. Paint damage can be caused by small accumulation of tar, industrial precipita- tion, tree resin, insects and bird droppings, when not removed immediately. If water alone is not strong enough to remove the accumulated dirt, use a mild car washing solution. Be sure to rinse
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DO-IT-YOURSELF MAINTENANCE
6-24 If the vehicle has had front body repair and the headlight assembly has been replaced, theheadlight aiming should be checked using anaiming screen as shown in the illustration. Turnon the headlight switch. (Low Beam Position)
1. Adjust headlights so that main axis of light is
parallel to center line of the body and is aligned with point "P" shown in the illustra-tion.
2. Dotted lines in the illustration show the cen- ter of headlights. SPECIFICATIONS: "H" Horizontal center line of headlights from ground. : 656 mm (26.8 in.) "W" Distance between each headlight center.: 1,164 mm (47.7 in.) "L" Distance between the headlights and the wall that the lights are tested against.: 3,000 mm (118 in.).
5. Open the hood.
6. Draw the vertical line (through the center of
each headlight beam pattern) and the hori- zontal line (through the center of each head-light beam pattern) on the aiming screen. And then, draw the horizontal parallel line at 30 mm (1.18 in.) under the horizontal line.
7. Adjust each cut-off line of the low beam to the parallel line with a phillips screwdriver -VERTICAL AIMING.
8. Adjust each cut-off line of the low beam to each vertical line with a phillips screwdriver- HORIZONTAL AIMING.
G290B01FC-GAT
Adjustment After Headlight Assembly Replacement
G290B01Y
Vertical line
Cut-off line Ground line
Horizontal line
LW
H
H "P"30mm(1.18in.)
G290A01FC-GAT
HEADLIGHT AIMING ADJUSTMENT
Before performing aiming adjustment, make sure of the following.
1. Keep all tires inflated to the correct pres- sure.
2. Place the vehicle on level ground and press the front bumper and rear bumper downseveral times. Place the vehicle at a dis-tance of 3,000 mm (118 in.) from the testwall.
3. See that the vehicle is unloaded (except for full levels of coolant, engine oil and fuel, andspare tire, jack, and tools).
4. Clean the head lights lens and turn on the headlight (low beam).
G290A01FC
Horizontal Aiming
Vertical Aiming
Page 165 of 317
CONSUMER INFORMATION 8-1
8. CONSUMER
INFORMATION
I010A01FC-GAT
VEHICLE IDENTIFICATION NUMBER (VIN) The vehicle identification number (VIN) is the
number used in registering your car and in all legal matters pertaining to its ownership, etc.
It can be found on the identification plate at-
tached to apron panel located on the driver'sside of the engine compartment.
HFC6001
I010B01A-GAT
Engine Number
EADA010C
The engine number is stamped on the engine
block as shown in the drawing.
I020A01A-AAT TIRE INFORMATIONThe tires supplied on your new Hyundai are
chosen to provide the best performance for normal driving. I030A01FC-GAT
RECOMMENDED INFLATION PRESSURES
The tire label located on the driver's side "C"
pillar outer panel gives the tire pressures rec- ommended for your vehicle.I030A01FC
I010B01B
Gasoline engine Diesel engine
5.5Jx14 5.5Jx15 6.0Jx15 3.5Jx153.5Jx15 TIRE
SIZE
RIM
SIZE PRESSURE, kPa (PSI)
185/65R14195/55R15 205/55R15
T115/70D15 T115/70R15 REAR
210(30)210(30)210(30)420(60)420(60) FRONT
250(36) 250(36) 250(36)420(60)420(60)
UP TO 2
PERSONS UP TO
MAX. LOAD
REAR
250(36) 250(36) 250(36)420(60)420(60)
FRONT210(30)210(30) 210(30) 420(60)420(60)
These pressures were chosen to provide the
most satisfactory combination of ride comfort, tire wear and stability under normal conditions.
8
Page 166 of 317
CONSUMER INFORMATION
8-2 I050A01E-GAT
TIRE CHAINS Tire chains, if necessary should be installed on
the front wheels. Be sure that the chains are installed in accordance with the manufacturer'sinstructions.
To minimize tire and chain wear, do not contin-
ue to use tire chains when they are no longerneeded.
WARNING:
o When driving on roads covered with snow or ice, drive at less than 30 km/h (20mph).
o Use the SAE "S" class or wire & plastic chains.
o If you have noise caused by chains con- tacting the body, retighten the chain toavoid contact with the vehicle body. I060A01FC-GAT
TIRE ROTATION
Tires should be rotated every 10,000 km (6,000miles). If you notice that tires are wearing un-evenly between rotations, have the car checkedby a Hyundai dealer so the cause may becorrected. After rotating, adjust the tire pressures and be sure to check wheel nut torque. WARNING:
o Do not use the temporary spare tire for tire rotation.
o Do not mix bias-ply and radial-ply tires under any circumstances. This may cause dangerous handling characteristics.
I040A01S-GAT
SNOW TIRES
If you equip your car with snow tires, theyshould be the same size and have the sameload capacity as the original tires. Snow tiresshould be installed on all four wheels; other-wise, poor handling may result. Snow tires should carry 28 kPa (4 psi) more air pressure than the pressure recommended forthe standard tires on the tire label on, or up tothe maximum pressure shown on the tiresidewall whichever is less. Do not drive faster than 120 km/h (75 mph) when your car is equipped with snow tires.
Tire pressures should be checked at leastmonthly. Proper tire inflation pressures shouldbe maintained for these reasons:
o Lower-than-recommended tire pressures
cause uneven tread wear and poor han- dling.
o Higher-than-recommended tire pressures increase the chance of damage from im-pacts and cause uneven tread wear.
CAUTION: Always observe the following:
o Check pressures when the tires are cold. That is, after the car has been parked for at least three hours and hasn't been driv-en more than 1.6 km or one mile sincestarting up.
o Check the pressure of your spare tire each time you check the pressure ofother tires.
o Never overload your car. Be especially careful about overloading if you equipyour car with a luggage rack or car topcarrier.
HA1409Spare tire
o To prevent body damage, retighten the
chains after driving 0.5 ~ 1 km.