Cadillac XT4 Owner Manual (GMNA-Localizing-MidEast-13527545) - 2020 -CRC - 9/16/19KEYS, DOORS, AND WINDOWS 29If the ignition mode will not changewith the other transmitter or in thefront cupholder, your vehicle needsservice. If the ignition does changemodes, the first transmitter may befaulty. See your dealer who can servicethe theft-deterrent system and have anew RKE transmitter programmed tothe vehicle.It is possible for the immobilizersystem to learn new or replacementRKE transmitters. Up to eighttransmitters can be programmed forthe vehicle. To program additionaltransmitters, see “ProgrammingTransmitters to the Vehicle” underRemote Keyless Entry (RKE) SystemOperation 0 8.Do not leave the key or device thatdisarms or deactivates thetheft-deterrent system in the vehicle.Exterior MirrorsConvex Mirrors{ WarningA convex mirror can make things,like other vehicles, look fartheraway than they really are. If you cuttoo sharply into the right lane, youcould hit a vehicle on the right.Check the inside mirror or glanceover your shoulder before changinglanes.The passenger side mirror is convexshaped. A convex mirror's surface iscurved so more can be seen from thedriver seat.Power MirrorsTo adjust each mirror:1. Press } or | to choose thedriver or passenger side mirror.The indicator light willilluminate.2. Press the arrows on the controlpad to move the mirror in thedesired direction.3. Adjust each outside mirror sothat a little of the vehicle andthe area behind it can be seen.4. Press } or | again to deselectthe mirror.