132 Wheels, tyresWheels, tyres TyresSee page 205 for suitable tyres andrestrictions.Tyres fitted in the factory are adapted tothe chassis and provide optimum drivingcomfort and safety.Changing tyre / wheel typeBefore switching to different tyres orwheels, seek advice on the technicalpossibilities. We recommend that youconsult your Vauxhall Authorised Repairer,who will be able to advise you of anynecessary modifications.If tyres of a different size than those fittedat the factory are used, the electronicspeedometer may require reprogrammingto ensure that the correct speed isdisplayed.Fitting new tyresFit tyres in pairs or in sets, which is evenbetter. Ensure that tyres on one axle are:z the same sizez the same designz the same makez and have the same tread pattern.Fit directional tyres such that they roll in thedirection of travel. The rolling direction isindicated by a symbol (e.g. an arrow) onthe sidewall.Tyres fitted opposing the rolling direction(such as when changing a tyre) should berefitted as soon as possible. This is the onlyway to benefit fully from the designproperties of the tyre.Tyres ..................................................... 132Changing tyre / wheel type................. 132Tyre pressure........................................ 133Tyre condition, wheel condition ......... 134Winter tyres 3 ...................................... 136Wheel trims 3....................................... 136Tyre chains 3 ....................................... 1369 WarningUse of unsuitable tyres or wheels maylead to accidents and render the vehicleunroadworthy.9 WarningWe recommend that you have your tyreschanged by your Vauxhall AuthorisedRepairer, who will be familiar with therequirements of the law as regardsdisposal of tyres and can thus help toprotect the environment and your health.