188 Vehicle careand hold brake pedal. Move andhold the selector lever for fiveseconds in position N until P isdisplayed in the DriverInformation Centre. P indicatesthat the sensor matching processcan be started.On vehicles with manualtransmission: select neutral.4. Use MENU on the turn signallever to select the VehicleInformation Menu in the DriverInformation Centre.5. Turn the adjuster wheel to scroll tothe tyre pressure menu.6. Press SET/CLR to begin thesensor matching process. Amessage requesting acceptanceof the process should bedisplayed.7. Press SET/CLR again to confirmthe selection. The horn soundstwice to indicate that the receiveris in relearn mode.8. Start with the left side front wheel.9. Place the relearn tool against thetyre sidewall, near the valve stem.Then press the button to activatethe tyre pressure sensor. A hornchirp confirms that the sensoridentification code has beenmatched to this wheel position.10. Proceed to the right side frontwheel, and repeat the procedurein Step 9.11. Proceed to the right side rearwheel, and repeat the procedurein Step 9.12. Proceed to the left side rearwheel, and repeat the procedurein Step 9. The horn sounds twiceto indicate that the sensoridentification code has beenmatched to the left side rearwheel, and the tyre pressuresensor matching process is nolonger active.13. Turn off the ignition.14. Set all four tyres to therecommended air pressure levelas indicated on the tyreinformation label.15. Ensure the tyre loading status isset according to the selectedpressure 3 88.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