Wheels, tyres120Genera l informa tionNote that the da nger of aquaplaning isgreater if the tyres are worn.Tyres a ge, even if they are used only verylittle or not at a ll. A spare wheel 3 whichhas not been used for six years should beused only in emergencies; driv e slowlywhen using such ty res.Never fit used tyres the prev ious historyand use of w hich y ou do not know.Tyre designat ionsMeanings:e.g. 195/65 R 16 C195 = Ty re wid th in m m65 = Aspect ratio in %(ty re heig ht to ty re w id th in %)R = Belt typ e: R adial16 = Rim diameter in inchesC = Cargo or comm ercial useWinter tyres 3See pag e 167 for restrictions.M+S ty res improve safety and shouldtherefore be fitted on all wheels.The design of summer tyres means theyha ve lim ited qualities for winter driving.If the m aximum p ermissible speed for thewinter tyres is less than that of the vehicle,a notic e indicating the maxim umpermissib le speed for the tyres must beaffix ed within the driver's field of v ision 3 1 ) .If y ou use the spare wheel when it is fittedwith a summer tyre: the vehicle'sdriveability ma y be affected , especially onslippery road surfaces. O btain areplacem ent for the faulty ty re as soon aspossible, and ha ve the wheel balancedand fitted to the v ehicle.1) Va ries from cou ntry to co untry on a ccou nt o fna tion al reg ulations.
