374 SERVICING AND MAINTENANCE
▫ Tire Chains (Traction Devices) . . . . . . . . . . . . .421
▫ Tire Rotation Recommendations . . . . . . . . . . . .422
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES . . . . . . . . . . . . . . . . . .424
▫ Treadwear . . . . . . . . . . . . . . . . . . . . . . . . . . . .424
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . . . .424
▫ Temperature Grades . . . . . . . . . . . . . . . . . . . . .424
STORING THE VEHICLE . . . . . . . . . . . . . . . . . .425
BODYWORK . . . . . . . . . . . . . . . . . . . . . . . . . . .426
▫ Protection From Atmospheric Agents . . . . . . . .426
▫ Body And Underbody Maintenance . . . . . . . . . .426
▫ Preserving The Bodywork . . . . . . . . . . . . . . . . .427
INTERIORS . . . . . . . . . . . . . . . . . . . . . . . . . . . .428
▫ Seats And Fabric Parts . . . . . . . . . . . . . . . . . . .428
▫ Plastic And Coated Parts. . . . . . . . . . . . . . . . . .429
▫ Leather Parts . . . . . . . . . . . . . . . . . . . . . . . . . .429
▫ Glass Surfaces . . . . . . . . . . . . . . . . . . . . . . . . .430