Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15344 Service and MaintenanceCadillac PremiumCare MaintenanceYour vehicle comes with theCadillac Premium CareMaintenance. It is a maintenanceprogram that covers selectmaintenance services during thefirst 4 years or 80 000 km(50,000 mi), whichever comes first.Cadillac Premium CareMaintenance covers routinemaintenance services, whenscheduled in accordance with theowner manual, including:. Oil changes based on thevehicle's oil life monitor system.. Tire rotation every 12 000 km(7,500 mi).. Engine air cleaner filterreplacement.. Passenger compartment air filterreplacement.. Multi‐point vehicle inspection(MPVI) performed by a qualifiedtechnician.Cadillac requires that all CadillacPremium Care Maintenanceservices be performed by a Cadillacauthorized service dealer.MaintenanceScheduleOwner Checks and ServicesAt Each Fuel Stop. Check the engine oil level. SeeEngine Oil 0 270.Once a Month. Check the tire inflationpressures. See TirePressure 0 306.. Inspect the tires for wear. SeeTire Inspection 0 312.. Check the windshield washerfluid level. See WasherFluid 0 281.Engine Oil ChangeWhen the CHANGE ENGINE OILSOON message displays, have theengine oil and filter changed withinthe next 1 000 km/600 mi. If drivenunder the best conditions, theengine oil life system may notindicate the need for vehicle servicefor up to a year. The engine oil andfilter must be changed at least once