Black plate (79,1)Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012Vehicle Care 10-79maintenance affect how fast agingtakes place. Tires will typicallyneed to be replaced due to wearbefore they may need to bereplaced due to age. Consult the tiremanufacturer for more informationon when tires should be replaced.Vehicle StorageTires age when stored normallymounted on a parked vehicle. Parka vehicle that will be stored for atleast a month in a cool, dry, cleanarea away from direct sunlight toslow aging. This area should befree of grease, gasoline, or othersubstances that can deterioraterubber.Parking for an extended period cancause flat spots on the tires thatmay result in vibrations whiledriving. When storing a vehicle forat least a month, remove the tires orraise the vehicle to reduce theweight from the tires.Buying New TiresGM has developed and matchedspecific tires for the vehicle. Theoriginal equipment tires installedwere designed to meet GeneralMotors Tire Performance CriteriaSpecification (TPC Spec) systemrating. When replacement tires areneeded, GM strongly recommendsbuying tires with the same TPCSpec rating.GM's exclusive TPC Spec systemconsiders over a dozen criticalspecifications that impact theoverall performance of thevehicle, including brake systemperformance, ride and handling,traction control, and tire pressuremonitoring performance. GM's TPCSpec number is molded onto thetire's sidewall near the tire size.If the tires have an all‐season treaddesign, the TPC Spec number willbe followed by MS for mud andsnow. See Tire Sidewall Labeling onpage 10‑65, for additionalinformation.GM recommends replacing all thetires at the same time. Uniform treaddepth on all tires will help tomaintain the performance of thevehicle. Braking and handlingperformance may be adverselyaffected if all the tires are notreplaced at the same time. See TireInspection on page 10‑76 and TireRotation on page 10‑77.{ WARNINGTires could explode duringimproper service. Attemptingto mount or dismount a tirecould cause injury or death.Only your dealer or authorizedtire service center shouldmount or dismount the tires.Winter tires with the same speedrating as the original equipment tiresmay not be available for H, V, W,and ZR speed rated tires. Never