Starting and operating / Tire pressure monitoring system ( TPMS ) ( U . S . -spec . models ) 7-47
WARNING
. If the low tire pressure warning light illuminates while driving , never brake suddenly . Instead , perform the following procedure . Otherwise , an accident involving serious vehicle damage and serious personal injury could occur .
( 1 ) Keep driving straight ahead while gradually reducing speed .
( 2 ) Slowly pull off the road to a safe location .
( 3 ) Check the pressure for all four tires and adjust the pressure to the COLD tire pressure shown on the tire inflation pressure label . The tire inflation pressure label is located on the door pillar on the driver ’ s side .
Even when the vehicle is driven a very short distance , the tires get warm and their pressures increase accordingly . Be sure to let the tires cool thoroughly before adjusting their pressures to the standard values shown on the tire inflation pressure label . Refer to “ Tires and wheels ” F11-21 .
The tire pressure monitoring system does not function when the vehicle is stationary . After adjusting the tire pressures , increase the vehicle speed to at least 20 mph ( 32 km / h ) to start the TPMS rechecking of the tire inflation pressures . If the tire pressures are now above the severe low pressure threshold , the low tire pressure warning light should turn off a few minutes later .
If this light still illuminates while driving after adjusting the tire pressure , a tire may have significant damage and a fast leak that causes the tire to lose air rapidly . If you have a flat tire , replace it with a spare tire as soon as possible .
. When a spare tire is mounted or a wheel rim is replaced without the original pressure sensor / transmitter being transferred , the low tire pressure warning light will illuminate steadily after blinking for approximately one minute . This indicates the TPMS is unable to monitor all four road wheels . Contact your SUBARU dealer as soon as possible for tire and sensor replacement and / or system resetting .
. When a tire is repaired with liquid sealant , the tire pressure warning valve and transmitter may not operate properly . If a liquid sealant is used , contact your nearest SUBARU dealer or other qualified service shop as soon as possible . Make sure to replace the tire pressure warning valve and transmitter when replacing the tire . You may reuse the wheel if there is no damage to it and if the sealant residue is properly cleaned off . Do not inject any tire liquid or aerosol tire sealant into the tires , as this may cause a malfunction of the tire pressure sensors . If the light illuminates steadily after blinking for approximately one minute , promptly contact a SUBARU dealer to have the system inspected .
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