Vehicle care 169positions. If it takes longer, thematching process stops and must berestarted.The TPMS sensor matching processis:1. Apply the parking brake.2. Turn the ignition on.3. Use the MENU button on the turnsignal lever to select the VehicleInformation Menu in the DriverInformation Centre (DIC).4. Use the thumbwheel to scroll tothe tyre pressure menu.5. Press the SET/CLR button tobegin the sensor matchingprocess. A message requestingacceptance of the process shoulddisplay.6. Press the SET/CLR button againto confirm the selection. The hornsounds twice to signal thereceiver is in relearn mode.7. Start with the driver side front tyre.8. Place the relearn tool against thetyre sidewall, near the valve stem.Then press the button to activatethe TPMS sensor. A horn chirpconfirms that the sensoridentification code has beenmatched to this tyre and wheelposition.9. Proceed to the passenger sidefront tyre, and repeat theprocedure in Step 8.10. Proceed to the passenger siderear tyre, and repeat theprocedure in Step 8.11. Proceed to the driver side reartyre, and repeat the procedure inStep 8. The horn sounds twotimes to indicate the sensoridentification code has beenmatched to the driver side reartyre, and the TPMS sensormatching process is no longeractive.12. Turn off the ignition.13. Set all four tyres to therecommended air pressure levelas indicated on the tyre pressurelabel.Tread depthCheck tread depth at regularintervals.Tyres should be replaced for safetyreasons at a tread depth of 2-3 mm(4 mm for winter tyres).For safety reasons it is recommendedthat the tread depth of the tyres onone axle should not vary by more than2 mm.The legally permissible minimumtread depth (1.6 mm) has beenreached when the tread has worndown as far as one of the tread wear