Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9159276) - 2016 - crc - 10/5/15Driving and Operating 213Manual ModeTap ShiftCautionDriving with the engine at a highrpm without upshifting while usingTap Shift, could damage thevehicle. Always upshift whennecessary while using Tap Shift.Vehicles with Tap Shift havecontrols on the back of the steeringwheel to manually shift theautomatic transmission.To enter Permanent Tap Shift Mode:1. With the shift lever in D (Drive),press the M (Manual Mode)button on the top of the shiftlever. While in Tap Shift Mode,the M of the PRNDM section ofthe instrument cluster willbecome highlighted, and thecurrent gear is indicated.2. Tap the left control todownshift, and the right controlto upshift. To shift to the lowestavailable gear, press and holdthe left control.3. To exit, press the M (ManualMode) button a second time.With the shift lever in D (Drive) andnot in Permanent Tap Shift Mode,the tap shift controls will activate atemporary tap manual shift mode,allowing the transmission to bemanually shifted. Automatic shiftsreturn after no manual shifts havebeen done for seven to 10 seconds.The Temporary Tap Shift Mode canalso be deactivated by holding theright upshift control briefly.While using Tap Shift, the vehiclewill have firmer, quicker shifting. Youcan use this for sport driving orwhen climbing or descending hills,to stay in gear longer, or todownshift for more power or enginebraking.The transmission will only allow youto shift into gears appropriate for thevehicle speed and enginerevolutions per minute (rpm). Thetransmission will not automaticallyshift to the next lower gear if theengine rpm is too high, nor to thenext higher gear when the maximumengine rpm is reached.If shifting is prevented for anyreason, a SHIFT DENIED messagewill be displayed in the instrumentcluster. See TransmissionMessages 0 152.When accelerating the vehicle froma stop in snowy and icy conditions,it is suggested to shift into secondgear. A higher gear allows thevehicle to gain more traction onslippery surfaces.