Subaru Crosstrek Manuals 2018 Crosstrek Owner's Manual | Page 302

7-42 Starting and operating/Tire pressure monitoring system (TPMS) (U.S.-spec. models) never brake suddenly. Instead, perform the following procedure. Otherwise, an accident involving serious vehicle damage and ser- ious 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 placard. The tire placard 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 in- crease accordingly. Be sure to let the tires cool thoroughly be- fore adjusting their pressures to the standard values shown on the tire placard. Refer to “Tires and wheels” F11-21. The tire pres- sure monitoring system does not function when the vehicle is sta- tionary. 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 min- utes later. If this light still illuminates while driving after adjusting the tire pressure, a tire may have signifi- cant 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/trans- mitter 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 sys- tem resetting. . When a tire is repaired with liquid sealant, the tire pressure warning valve and transmitter may not operate properly. If a liquid sea- lant is used, contact your nearest SUBARU dealer or other qualified service shop as soon as possi- ble. 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 ap- proximately one minute, promptly contact a SUBARU dealer to have the system in- spected. CAUTION Do not place metal film or any metal parts in the cargo area. This may cause poor reception of the signals from the tire pressure sensors, and the tire pressure monitoring system will not function properly.