Black plate (13,1)Cadillac CTS Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-6081492) - 2014 - CRC 2nd Edition - 11/18/13Vehicle Care 10-13When the system has calculatedthat oil life has been diminished, itindicates that an oil change isnecessary. A CHANGE ENGINEOIL SOON message comes on. SeeEngine Oil Messages on page 5-39.Change the oil as soon as possiblewithin the next 1 000 km (600 mi).It is possible that, if driving underthe best conditions, the oil lifesystem might indicate that an oilchange is not necessary for up to ayear. The engine oil and filter mustbe changed at least once a yearand at this time the system must bereset. Your dealer has trainedservice people who will perform thiswork and reset the system. It is alsoimportant to check the oil regularlyover the course of an oil draininterval and keep it at the properlevel.If the system is ever resetaccidentally, the oil must bechanged at 5 000 km (3,000 mi)since the last oil change.Remember to reset the oil lifesystem whenever the oil is changed.How to Reset the Engine OilLife SystemReset the system whenever theengine oil is changed so that thesystem can calculate the nextengine oil change. To reset thesystem:1. Using the DIC buttons, displayREMAINING OIL LIFE on theDIC. See Driver InformationCenter (DIC) on page 5-30 andEngine Oil Messages onpage 5-39.2. Press the SEL button and holdto clear the CHANGE ENGINEOIL SOON message and resetthe oil life at 100%.Be careful not to reset the oil lifedisplay accidentally at any timeother than after the oil ischanged. It cannot be resetaccurately until the next oilchange.The oil life system can also be resetas follows:1. Turn the ignition on with theengine off.2. Fully press and release theaccelerator pedal three timeswithin five seconds.If the CHANGE ENGINE OILSOON message is not on, thesystem is reset.The system is reset when theCHANGE ENGINE OIL SOONmessage is off.If the CHANGE ENGINE OIL SOONmessage comes back on when thevehicle is started, the engine oil lifesystem has not been reset. Repeatthe procedure.