Black plate (85,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Vehicle Care 10-85Different Size Tires andWheelsIf wheels or tires are installed thatare a different size than the originalequipment wheels and tires, vehicleperformance, including its braking,ride and handling characteristics,stability, and resistance to rollovermay be affected. If the vehicle haselectronic systems such as antilockbrakes, rollover airbags, tractioncontrol, and electronic stabilitycontrol, the performance of thesesystems can also be affected.{ WARNINGIf different sized wheels are used,there may not be an acceptablelevel of performance and safetyif tires not recommended forthose wheels are selected.This increases the chance ofa crash and serious injury.Only use GM specific wheel andtire systems developed for thevehicle, and have them properlyinstalled by a GM certifiedtechnician.See Buying New Tires onpage 1083 and Accessories andModifications on page 103.Uniform Tire QualityGradingQuality grades can be foundwhere applicable on the tiresidewall between tread shoulderand maximum section width.For example:Treadwear 200 Traction AATemperature AThe following information relatesto the system developed by theUnited States National HighwayTraffic Safety Administration(NHTSA), which grades tiresby treadwear, traction, andtemperature performance. Thisapplies only to vehicles sold inthe United States. The gradesare molded on the sidewallsof most passenger car tires.
