Low-Profile Performance TiresIf your vehicle has 255/45ZR18, P255/45R18 orP275/40R19 100Y size tires, they are classified aslow-profile performance tires. These tires aredesigned for very responsive driving on wet or drypavement. You may also notice more road noisewith low-profile performance tires and that they tendto wear faster. These performance tires are notrated as all-season tires. Winter tires arerecommended for snow or ice covered roads.Notice: If your vehicle has low-profile tires,they are more susceptible to damage from roadhazards or curb impact than standard profiletires. Tire and/or wheel assembly damagecan occur when coming into contact with roadhazards like, potholes, or sharp edgedobjects, or when sliding into a curb. Your GMwarranty does not cover this type of damage.Keep tires set to the correct inflation pressureand, when possible avoid contact withcurbs, potholes, and other road hazards.Winter TiresIf you expect to drive on snow or ice coveredroads often, you may want to get winter tires foryour vehicle. All season tires provide good overallperformance on most surfaces but they may notoffer the traction you would like or the samelevel of performance as winter tires on snow or icecovered roads.Winter tires, in general, are designed for increasedtraction on snow and ice covered roads. Withwinter tires, there may be decreased dryroad traction, increased road noise, and shortertread life. After switching to winter tires, be alert forchanges in vehicle handling and braking.See your dealer for details regarding winter tireavailability and proper tire selection. Also,see Buying New Tires on page 441.If you choose to use winter tires:• Use tires of the same brand and tread type onall four wheel positions.• Use only radial ply tires of the same size, loadrange, and speed rating as the originalequipment tires.Winter tires with the same speed rating as youroriginal equipment tires may not be available for H,V, W, Y, and ZR speed rated tires. If you choosewinter tires with a lower speed rating, neverexceed the tire’s maximum speed capability.422
