Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15310 Vehicle Careshown on the Tire and LoadingInformation label. See Vehicle LoadLimits 0 198.A message to check the pressure ina specific tire displays in the DriverInformation Center (DIC). The lowtire pressure warning light and theDIC warning message come on ateach ignition cycle until the tires areinflated to the correct inflationpressure. Using the DIC, tirepressure levels can be viewed. Foradditional information and detailsabout the DIC operation anddisplays see Driver InformationCenter (DIC) 0 140.The low tire pressure warning lightmay come on in cool weather whenthe vehicle is first started, and thenturn off as the vehicle is driven. Thiscould be an early indicator that theair pressure is getting low andneeds to be inflated to the properpressure.A Tire and Loading Informationlabel, attached to your vehicle,shows the size of the originalequipment tires and the correctinflation pressure for the tires whenthey are cold. See Vehicle LoadLimits 0 198 for an example of theTire and Loading Information labeland its location. Also see TirePressure 0 306.The TPMS can warn about a lowtire pressure condition but it doesnot replace normal tiremaintenance. See Tire Inspection0 312, Tire Rotation 0 313,and Tires 0 299.CautionTire sealant materials are not allthe same. A non-approved tiresealant could damage the TPMSsensors. TPMS sensor damagecaused by using an incorrect tiresealant is not covered by thevehicle warranty. Always use onlythe GM approved tire sealantavailable through your dealer orincluded in the vehicle.TPMS Malfunction Light andMessageThe TPMS will not function properlyif one or more of the TPMS sensorsare missing or inoperable. When thesystem detects a malfunction, thelow tire warning light flashes forabout one minute and then stays onfor the remainder of the ignitioncycle. A DIC warning message alsodisplays. The malfunction light andDIC warning message come on ateach ignition cycle until the problemis corrected. Some of the conditionsthat can cause these to comeon are:. One of the road tires has beenreplaced with the spare tire. Thespare tire does not have aTPMS sensor. The malfunctionlight and DIC message shouldgo off after the road tire isreplaced and the sensormatching process is performedsuccessfully. See “TPMS SensorMatching Process” later in thissection.