Black plate (50,1)Cadillac Escalade Owner Manual (GMNA-Localizing-Europe-7132796) -2014 - CRC - 7/12/1310-50 Vehicle Care{ 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 papertowel can be used; however, usea scraper or wire brush later toremove all rust or dirt.Lightly coat the centre of thewheel hub with wheel bearinggrease after a wheel change ortyre 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 NewTyresFactors, such as maintenance,temperatures, driving speeds,vehicle loading, and road conditionsaffect the wear rate of the tyres.Tread wear indicators are one wayto tell when it is time for new tyres.Tread wear indicators appear whenthe tyres have only 1.6 mm (1/16 in)or less of tread remaining. Somecommercial truck tyres may nothave tread wear indicators. SeeTyre Inspection on page 10-48 andTyre Rotation on page 10-49 foradditional information.The rubber in tyres ages over time.This also applies to the spare tyre,if the vehicle has one, even if it isnever used. Multiple factorsincluding temperatures, loadingconditions, and inflation pressuremaintenance affect how fast ageingtakes place. GM recommends thattyres, including the spare ifequipped, be replaced after sixyears, regardless of tread wear. Thetyre manufacturer date is the lastfour digits of the DOT TyreIdentification Number (TIN) which ismoulded into one side of the tyresidewall. The first two digitsrepresent the week (01–52) and thelast two digits, the year. Forexample, the third week of the year2010 would have a four-digit DOTdate of 0310.
