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replace it with your spare tire andwheel. If you cannot detect acause, have the vehicle towed tothe nearest repair facility or tiredealer to have the vehicleinspected.
Tire and Wheel Alignment
A bad jolt from hitting a curb orpothole can cause the front endof your vehicle to becomemisaligned or cause damage toyour tires. If your vehicle seems topull to one side when you aredriving, the wheels may be out ofalignment. Have an authorizeddealer check the wheel alignmentperiodically.
Wheel misalignment in the frontor the rear can cause uneven and
rapid treadwear of your tires andshould be corrected by anauthorized dealer. Front-wheeldrive vehicles and those with anindependent rear suspension (ifequipped) may require alignmentof all four wheels.
The tires should also be balancedperiodically. An unbalanced tireand wheel assembly may result inirregular tire wear.
Tire Rotation
Note:If your tires show unevenwear, ask an authorized dealer tocheck for and correct any wheelmisalignment, tire imbalance ormechanical problem involvedbefore tire rotation.
Note:Your vehicle may beequipped with a dissimilar sparewheel and tire assembly. Adissimilar spare wheel and tireassembly is defined as a sparewheel and tire assembly that isdifferent in brand, size orappearance from the road tires andwheels. If you have a dissimilarspare wheel and tire assembly, it isintended for temporary use onlyand should not be used in a tirerotation.
Note:After having your tiresrotated, inflation pressure must bechecked and adjusted to thevehicle requirements.
Rotating your tires at therecommended interval will helpyour tires wear more evenly,providing better tire performanceand longer tire life. Sometimesirregular tire wear can becorrected by rotating the tires.
Tire Rotation Diagram
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USING SNOW CHAINS
WARNING: Do not exceed 30 mph(50 km/h). Failure to follow thisinstruction could result in the loss ofcontrol of your vehicle, personal injury ordeath.
WARNING: Do not use snow chainson snow-free roads.
WARNING: Only fit snow chains tospecified tires.
WARNING: If your vehicle is fittedwith wheel trims, remove them beforefitting snow chains.
WARNING: If you choose to installsnow tires on your vehicle, they must bethe same size, construction, and loadrange as the original tires listed on thetire placard, and they must be installedon all four wheels. Mixing tires ofdifferent size or construction on yourvehicle can adversely affect yourvehicle's handling and braking, and maylead to loss of vehicle control.
The tires on your vehicle have all-weathertreads to provide traction in rain and snow.However, in some climates, you may needto use snow tires and cables. If you needto use cables, it is recommended that steelwheels (of the same size andspecifications) be used, as cables may chipaluminum wheels.
Follow these guidelines when using snowtires and traction devices.
•If possible, avoid fully loading yourvehicle.
•Purchase chains or cables from amanufacturer that clearly labels bodyto tire dimension restrictions.
•Use 10 mm cables or chains only onfront axle with 225/65R17 and225/60R18 tires.
•Not all S-class snow chains or cablesmeet these restrictions. Chains of thissize restriction will include a tensioningdevice.
•The snow chains or cables must bemounted in pairs on the front axle.
•Do not use chains or cables on235/65R17 tires.
•Install cables securely, verifying thatthe cables do not touch any wiring,brake lines or fuel lines.
•When driving with tire cables do notexceed 30 mph (48 km/h) or themaximum speed recommended by thechain manufacturer, whichever is less.
•Drive cautiously. If you hear the cablesrub or bang against the vehicle, stopand retighten them. If this does notwork, remove the cables to preventvehicle damage.
•Remove the cables when they are nolonger needed. Do not use cables ondry roads.
If you have any questions regarding snowchains or cables, please contact yourauthorized dealer.
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TIRE PRESSURE MONITORING
SYSTEM
WARNING: The tirepressure monitoring system isnot a substitute for manuallychecking tire pressures. Youshould periodically check tirepressures using a pressuregauge. Failure to correctlymaintain tire pressures couldincrease the risk of tire failure,loss of control, vehicle rolloverand personal injury.
Note: You should only use tiresealants in roadside emergenciesas they may cause damage to thetire pressure monitoring systemsensor.
Note: If the tire pressuremonitoring system sensor becomesdamaged, it may not function.
Each tire, including thespare (if provided), shouldbe checked monthly whencold and inflated to the inflationpressure recommended by thevehicle manufacturer on thevehicle placard or tire inflationpressure label. (If your vehicle hastires of a different size than thesize indicated on the vehicleplacard or tire inflation pressurelabel, you should determine theproper tire inflation pressure forthose tires).
As an added safety feature, yourvehicle has been equipped with aTire Pressure Monitoring System(TPMS) that illuminates a low tirepressure telltale when one ormore of your tires is significantlyunder-inflated. Accordingly, whenthe low tire pressure telltaleilluminates, you should stop andcheck your tires as soon aspossible, and inflate them to theproper pressure. Driving on asignificantly under-inflated tirecauses the tire to overheat andcan lead to tire failure.Under-inflation also reduces fuelefficiency and tire tread life, andmay affect the vehicle’s handlingand stopping ability.
Please note that the TPMS is nota substitute for proper tiremaintenance, and it is the driver’sresponsibility to maintain correcttire pressure, even ifunder-inflation has not reachedthe level to trigger illumination ofthe TPMS low tire pressuretelltale.
Your vehicle has also beenequipped with a TPMSmalfunction indicator to indicatewhen the system is not operatingproperly. The TPMS malfunctionindicator is combined with the lowtire pressure telltale. When thesystem detects a malfunction, thetelltale will flash for
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approximately one minute andthen remain continuouslyilluminated. This sequence willcontinue upon subsequent vehiclestart-ups as long as themalfunction exists.
When the malfunction indicatoris illuminated, the system may notbe able to detect or signal low tirepressure as intended. TPMSmalfunctions may occur for avariety of reasons, including theinstallation of replacement oralternate tires or wheels on thevehicle that prevent the TPMSfrom functioning properly. Alwayscheck the TPMS malfunctiontelltale after replacing one ormore tires or wheels on yourvehicle to ensure that thereplacement or alternate tires andwheels allow the TPMS tocontinue to function properly.
This device complies with Part 15of the FCC Rules and with Licenseexempt RSS Standards of IndustryCanada. Operation is subject tothe following two conditions:
1.This device may not causeharmful interference, and
2.This device must accept anyinterference received, includinginterference that may causeundesired operation.
WARNING: Changes ormodifications not expressivelyapproved by the partyresponsible for compliancecould void the user's authorityto operate the equipment. Theterm "IC:" before the radiocertification number onlysignifies that Industry Canadatechnical specifications weremet.
Changing Tires With a TirePressure Monitoring System
Note:Each road tire is equippedwith a tire pressure sensor locatedinside the wheel and tire assemblycavity. The pressure sensor isattached to the valve stem. Thepressure sensor is covered by thetire and is not visible unless the tireis removed. Take care whenchanging the tire to avoiddamaging the sensor.
You should always have your tiresserviced by an authorized dealer.
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Check the tire pressureperiodically (at least monthly)using an accurate tire gauge. SeeWhen Inflating Your Tires in thischapter.
Understanding Your TirePressure Monitoring System
The tire pressure monitoringsystem measures pressure in yourroad tires and sends the tirepressure readings to your vehicle.You can view the tire pressurereadings through the informationdisplay. See GeneralInformation (page 104).The lowtire pressure warning light will turnon if the tire pressure issignificantly low. Once the light isilluminated, your tires are
under-inflated and need to beinflated to the manufacturer’srecommended tire pressure. Evenif the light turns on and a shorttime later turns off, your tirepressure still needs to be checked.
When Your Temporary SpareTire is Installed
When one of your road tires needsto be replaced with the temporaryspare, the system will continue toidentify an issue to remind youthat the damaged road wheel andtire assembly needs to be repairedand put back on your vehicle.
To restore the full function of thetire pressure monitoring system,have the damaged road wheeland tire assembly repaired and
remounted on your vehicle.
When You Believe Your Systemis Not Operating Properly
The main function of the tirepressure monitoring system is towarn you when your tires need air.It can also warn you in the eventthe system is no longer capableof functioning as intended. Seethe following chart for informationconcerning your tire pressuremonitoring system:
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Customer action requiredPossible causeLow tire pres-sure warninglight
Make sure tires are at the properpressure. See Inflating your tiresin this chapter. After inflatingyour tires to the manufacturer’srecommended pressure asshown on the Tire Label (locatedon the edge of driver’s door orthe B-Pillar), the vehicle must bedriven for at least two minutesover 20 mph (32 km/h) beforethe light turns off.
Tire(s) under-inflated
Solid warninglightRepair the damaged road wheeland tire assembly and reinstallit on the vehicle to restoresystem function. For a descrip-tion on how the system func-tions, see When YourTemporary Spare Tire isInstalled in this section.
Spare tire in use
If the tires are properly inflatedand the spare tire is not in usebut the light remains on, contactyour authorized dealer as soonas possible.
TPMS malfunction
Repair the damaged road wheeland tire assembly and reinstallit on the vehicle to restoresystem function. For a descrip-tion on how the system func-tions, see When YourTemporary Spare Tire isInstalled in this section.
Spare tire in useFlashingwarning light
If the tires are properly inflated
and the spare tire is not in useTPMS malfunction
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Customer action requiredPossible causeLow tire pres-sure warninglight
but the light remains on, contactyour authorized dealer as soonas possible.
When Inflating Your Tires
WARNING: Do not use thetire pressure displayed in theinformation display as a tirepressure gauge. Failure to followthis instruction could result inpersonal injury or death.
When putting air into your tires(such as at a gas station or in yourgarage), the tire pressuremonitoring system may notrespond immediately to the airadded to your tires.
It may take up to two minutes ofdriving over 20 mph (32 km/h) forthe light to turn off after you havefilled your tires to therecommended inflation pressure.
How Temperature Affects YourTire Pressure
The tire pressure monitoringsystem monitors tire pressure ineach pneumatic tire. While drivingin a normal manner, a typicalpassenger tire inflation pressuremay increase about 2–4 psi(14–28 kPa) from a cold startsituation. If the vehicle is
stationary overnight with theoutside temperature significantlylower than the daytimetemperature, the tire pressure maydecrease about 3 psi (21 kPa) fora drop of 30°F (17°C) in ambienttemperature. This lower pressurevalue may be detected by the tirepressure monitoring system asbeing significantly lower than therecommended inflation pressureand activate the system warninglight for low tire pressure. If thelow tire pressure warning light ison, visually check each tire toverify that no tire is flat. If one ormore tires are flat, repair asnecessary. Check the air pressurein the road tires. If any tire isunder-inflated, carefully drive thevehicle to the nearest locationwhere air can be added to thetires. Inflate all the tires to therecommended inflation pressure.
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CHANGING A ROAD WHEEL
WARNING: The tire pressuremonitoring system is not a substitute formanually checking tire pressures. Youshould periodically check tire pressuresusing a pressure gauge. Failure tocorrectly maintain tire pressures couldincrease the risk of tire failure, loss ofcontrol, vehicle rollover and personalinjury.
Note:Only use tire sealants in roadsideemergencies as they may cause damage tothe tire pressure monitoring system sensor.
Note:The tire pressure monitoring systemindicator light illuminates when the sparetire is in use. To restore the full function ofthe monitoring system, all road wheelsequipped with tire pressure monitoringsensors must be mounted on your vehicle.
If you get a flat tire when driving, do notheavily apply the brake. Instead, graduallydecrease your speed. Firmly hold thesteering wheel and slowly move to a safeplace on the side of the road.
Have a flat serviced by an authorizeddealer in order to prevent damage to thetire pressure monitoring system sensors.See Tire Pressure Monitoring System(page 327). Replace the spare tire with aroad tire as soon as possible. Duringrepairing or replacing of the flat tire, havethe authorized dealer inspect the tirepressure monitoring system sensor fordamage.
Dissimilar Spare Wheel and TireAssembly Information
WARNING: Failure to follow theseguidelines could result in an increasedrisk of loss of vehicle control, injury ordeath.
If you have a dissimilar spare wheel andtire, then it is intended for temporary useonly. This means that if you need to use it,you should replace it as soon as possiblewith a road wheel and tire assembly thatis the same size and type as the road tiresand wheels that we provided with yourvehicle. If the dissimilar spare tire or wheelis damaged, replace it instead of repairingit.
A dissimilar spare wheel and tire assemblyis defined as a spare wheel and tireassembly that is different in brand, size orappearance from the road tires and wheelsand can be one of three types:
1.T-type mini-spare: This spare tirebegins with the letter T for tire size andmay have Temporary Use Only molded inthe sidewall.
2.Full-size dissimilar spare with labelon wheel: This spare tire has a label onthe wheel that states: THIS WHEEL ANDTIRE ASSEMBLY FOR TEMPORARY USEONLY.
When driving with one of the dissimilarspare tires listed above, do not:
•Exceed 50 mph (80 km/h).
•Load your vehicle beyond maximumvehicle load rating listed on the SafetyCompliance Label.
•Tow a trailer.
•Use snow chains on the end of yourvehicle with the dissimilar spare tire.
•Use more than one dissimilar spare tireat a time.
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