Maintenance and service / Tires and wheels 11-21
Tires and wheels
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& Types of tires
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You should be familiar with type of tires present on your vehicle .
! All season tires
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All season tires are designed to provide an adequate measure of traction , handling and braking performance in year-round driving including snowy and icy road conditions . However all season tires do not offer as much traction performance as winter ( snow ) tires in heavy or loose snow or on icy roads .
All season tires are identified by “ ALL SEASON ” and / or “ M + S ” ( Mud & Snow ) on the tire sidewall .
! Summer tires
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Summer tires are high-speed capability tires best suited for highway driving under dry conditions .
Summer tires are inadequate for driving on slippery roads such as on snow-covered or icy roads .
If you drive your vehicle on snow-covered or icy roads , we strongly recommend the use of winter ( snow ) tires .
When installing winter tires , be sure to replace all four tires .
! Winter ( snow ) tires
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Winter tires are best suited for driving on snow-covered and icy roads . However winter tires do not perform as well as summer tires and all season tires on roads other than snow-covered and icy roads .
& Tire pressure monitoring system ( TPMS ) ( if equipped )
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The tire pressure monitoring system provides the driver with a warning message by sending a signal from a sensor that is installed in each wheel when tire pressure is severely low . The tire pressure monitoring system will activate only when the vehicle is driven . Also , this system may not react immediately to a sudden drop in tire pressure ( for example , a blow-out caused by running over a sharp object ).
If you adjust the tire pressures in a warm garage and will then drive the vehicle in cold outside air , the resulting drop in tire pressures may cause the low tire pressure warning light to illuminate . To avoid this problem when adjusting the tire pressures in a warm garage , inflate the tires to pressures higher than those shown on the tire inflation pressure label . Specifically , inflate them by an extra 1 psi ( 6.9 kPa , 0.07 kgf / cm 2 ) for every difference of 108F ( 5.68C ) between the temperature in the garage and the temperature outside . By way of example , the following table shows the required tire pressures that correspond to various outside temperatures when the temperature in the garage is 608F ( 15.68C ).
Example :
Tire size : P225 / 60R17 98H and 225 / 55R18 98H
Standard tire pressures : Front : 33 psi ( 230 kPa , 2.3 kgf / cm 2 ) Rear : 32 psi ( 220 kPa , 2.2 kgf / cm 2 ) Garage temperature : 608F ( 15.68C )
Outside temperature
Adjusted pressure [ psi ( kPa , kgf / cm 2 )]
Front Rear 308F ( −18C ) 36 ( 250 , 2.5 ) 35 ( 240 , 2.4 )
108F ( −128C )
38 ( 265 , 2.65 )
37 ( 255 , 2.55 )
−108F ( −238C ) 41 ( 280 , 2.8 ) 39 ( 270 , 2.7 )
If the low tire pressure warning light illuminates when you drive the vehicle in cold outside air after adjusting the tire pressures in a warm garage , re-adjust the tire pressures using the method described above . Then , increase the vehicle speed to at least 20 mph ( 32 km / h ) and check to see that the low tire pressure warning light turns off a few minutes later . If the low tire
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