139Self-help, vehicle careNotes on tempor ary spa re wheel 3z If the tem porary spare w heel is used thehandling of the vehicle may change,particularly if winter tyres 3 are beingused . The Electronic Sta bility ProgramESP® Pl us 3 may switch itself off. Replacedefec tiv e ty res as soon as possible,balance w heel and fit to vehicle.z Fit only one temp orary sp are wheel.z Do not d riv e faster than 50 mph(80 km/h).z Ta ke c urv es slowly .z Do not use the tem porary spare wheelfor a lengthy period.z Replace tem pora ry spare wheel with fullspecification w heel without delay.z Ty re chains are not permitted on thetemporary spare wheel. I f tyre cha inshav e to b e used after a front wheelpuncture, fit temp orary spare w heelto the rea r axle and fit a rear wheel tothe front a xle. Check tyre pressure andcorrect if necessa ry , see pa ges 128, 170.z Note the information on the temporaryspare wheel on pages 131, 170.Notes on directional tyres 3Directiona l tyres only a chieve their fullperformance potential when m ountedin the prescribed direction of rotation. Ifafter a flat ty re, the tyre or spare w heel ismounted against the p resc rib ed d irectionof rotation, observ e the following:z Driving conditions m ay be altered.Replace the defective tyre as soon aspossible, ba la nce the wheel and mountit on the vehicle.z Do not drive faster than 50 m ph(80 k m/h).z Drive esp ecially carefully in wet or snowyweather.For further information on direc tional tyres- see page 127.Jack £ 3 and vehicle tools 3The ja ck and the vehicle tools hav e b eenspec ia lly developed for your vehicle andmust only be used on that vehicle. Onlyuse jack for chang ing wheels.The ja ck and v ehicle tools are located ina pouch or in a stowag e com partmentin the spare wheel well in the luggag ecompa rtm ent.For reasons of desig n, the wheel w ellinsert 3 must not be rem ove. Theinsta lla tion position is indicated by anarrow pointing to the direction of travel.