10-16 Vehicle careTyre designationsMeanings:e.g. 185/60 R 15 84 TSpeed code letters:Tyre pressureTyre pressures 3 12-8.Also may be shown on a label locatedon the driver’s door pillar.After having checked the tyrepressures, securely tighten the valvecaps.The specified tyre pressures are validfor cold tyres. The increased tyrepressure resulting from extensivedriving must not be reduced. The tyrepressures specified apply to bothsummer and winter tyres.Incorrect tyre pressures will impairsafety, vehicle handling, comfort andfuel economy and will increase tyrewear.185 = Tyre width in mm60 = Aspect ratio(tyre height to tyre widthin %)R = Belt type: Radial15 = Rim diameter in inches84 = Load indexe.g.: 84 represents 500 kgT = Speed codeQ = Up to 100 mph (160 km/h)S = Up to 112 mph (180 km/h)T = Up to 118 mph (190 km/h)H = Up to 130 mph (210 km/h)V = Up to 150 mph (240 km/h)W = Up to 168 mph (270 km/h)
