29
General
1
Correct reading of tyre manufactured in the EU
Example: 235/35 ZR20
235 = Nominal width (distance in mm from side to side)
35 = Height/width ratio as a percentage
Z = Tyre to be used for speeds of over 240 km/h (149 mph)
R = Radial tyre
20 = Rim diameter in inches
W = Tyre that supports a maximum speed of 270 km/h
The tyre manufacture date is included in the description of the tyre:
DOT ... 1009 means that the tyre was manufactured in the 10
th
week
of 2009.
Correct rim reading
Example: 8.5” J x 20”
8.5 = Rim width in inches
J = Shape of rim flange
(side projection where tyre bead rests)
20 = Rim diameter in inches
(corresponds to the diameter of tyre to be fitted)
For further information on tyres, see page 235.
Summary of Contents for 458 Spider
Page 1: ...Owner s manual ...
Page 2: ......
Page 3: ......
Page 13: ...GENERAL 1 ...
Page 20: ...20 General Identification and homologation plates and labels A B D E F G L M O P N H C Q R ...
Page 25: ...25 General 1 P TPMS present warning Q Chassis number R Original paintwork ...
Page 33: ......
Page 35: ...QUICK REFERENCE GUIDE 2 ...
Page 51: ...SAFETY 3 ...
Page 83: ...ABOUT YOUR VEHICLE 4 ...
Page 94: ...94 About your Vehicle Instruments and gauges 6 5 2 5 3 7 1 5 4 5 ...
Page 191: ...ADVICE FOR EMERGENCY SITUATIONS 5 ...
Page 225: ...CARE OF THE VEHICLE 6 ...
Page 242: ...Glossary 245 ...
Page 243: ...GLOSSARY 7 ...
Page 244: ......
Page 247: ...247 7 Glossary ...
Page 248: ...Table of Contents 250 ...
Page 249: ...TABLE OF CONTENTS 8 ...