Black plate (75,1)Cadillac CTS/CTS-V Owner Manual - 2013 - CRC - 4/18/12Vehicle Care 10-75See Tire Pressure onpage 10‑67 and Vehicle LoadLimits on page 9‑10.Reset the Tire Pressure MonitorSystem. See Tire PressureMonitor Operation onpage 10‑70.Check that all wheel nuts areproperly tightened. See “WheelNut Torque” under Capacitiesand Specifications onpage 12‑2.{ WARNINGRust or dirt on a wheel, or on theparts to which it is fastened, canmake wheel nuts become looseafter time. The wheel could comeoff and cause an accident. Whenchanging a wheel, remove anyrust or dirt from places where thewheel attaches to the vehicle. Inan emergency, a cloth or a paper(Continued)WARNING (CONTINUED)towel can be used; however, usea scraper or wire brush later toremove all rust or dirt.Lightly coat the center of thewheel hub with wheel bearinggrease after a wheel change ortire rotation to prevent corrosionor rust build-up. Do not getgrease on the flat wheelmounting surface or on thewheel nuts or bolts.When It Is Time for NewTiresFactors such as maintenance,temperatures, driving speeds,vehicle loading, and road conditionsaffect the wear rate of the tires.Treadwear indicators are one way totell when it is time for new tires.Treadwear indicators appear whenthe tires have only 1.6 mm (1/16 in)or less of tread remaining. See TireInspection on page 10‑73 and TireRotation on page 10‑73.The rubber in tires ages overtime. This also applies to thespare tire, if the vehicle has one,even if it is never used. Multiplefactors including temperatures,loading conditions, and inflationpressure maintenance affecthow fast aging takes place.