Wheels, tyres148Wheels, tyres TyresSee pag e 206 for suitable ty res andrestrictions.Factory-fitted tyres are matched to thecha ssis and offer optimum d riv ing c om fortand safety.Changing tyre / wheel typeBefore switching to different tyres orwheels, seek advice on technicalpossibilities. We recommend that youconsult y our Va ux ha ll Authorised Repairer,who will be able to advise y ou of anynecessary mod ifications.If tyres of a different size to those fitted atthe factory are used (this includes wintertyres), the electronic speedometer m aypossibly need to be reprogrammed toensure that the speed d isplay ed is correct.Vehicles with tyre pressure m oni toringsystem 3When using w inter tyres or when switchingto different tyre sizes, sensors for the ty repressure monitoring system can b e fitted ata la ter date by a workshop upon request.O therwise, the system would not indicatetyre pressure deviations.Tyre pressure monitoring sy stem 3 –see page 142.Fitti ng new tyr esN ew ty res should be fitted in pairs, or forpreference in sets. Mak e sure that bothtyres on an axle are:z the same siz ez the same designz the same makez and have the same tread pattern.Tyres ... ..... .... .... ..... .... ..... .... ..... .... .... ..... 148Changing ty re / wheel type... .... .... ..... 148Tyre inflation pressure.. .... ..... .... .... ..... 149Tyre condition, wheel cond ition ... ..... 150Winter tyres 3 . ..... .... ..... .... ..... .... .... ..... 151Tyre chains 3 .. ..... .... ..... .... ..... .... .... ..... 1529 WarningUse of unsuitab le tyres or wheels m aylead to accidents and render the vehicleunroa dworthy . 9 Warnin gWe recom mend that you consult yourVauxhall Authorised Repa irer to have thetyres replaced. Your Vauxhall AuthorisedRepairer knows the legal reg ulationsconc erning the disposa l of tyres andtherefore protects the env ironment andyour health.