Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15168 Instruments and ControlsThe name and color of thebutton may vary bymanufacturer.5. Press and release the Learn orSmart button. Step 6 must becompleted within 30 seconds ofpressing this button.6. Inside the vehicle, press andhold the newly programmedUniversal Remote systembutton for two seconds andthen release it. If the garagedoor does not move or thelamp on the garage dooropener receiver does not flash,press and hold the samebutton a second time fortwo seconds, then release it.Again, if the door does notmove or the garage door lampdoes not flash, press and holdthe same button a third time fortwo seconds, then release it.The Universal Remote systemshould now activate thegarage door.Repeat the process forprogramming the two remainingbuttons.Radio Signals for Canada andSome Gate OperatorsFor questions or programming helpcall 1-800-355-3515 or seewww.homelink.com.Canadian radio-frequency laws andsome U.S. gate operators requiretransmitter signals to time out or quitafter several seconds oftransmission. This may not be longenough for the Universal Remotesystem to pick up the signal duringprogramming.If the programming did not work,replace Step 2 under “Programmingthe Universal Remote System” withthe following:Press and hold the UniversalRemote system button whilepressing and releasing thehand-held transmitter button everytwo seconds until the signal hasbeen successfully accepted by theUniversal Remote system. TheUniversal Remote system indicatorlight will flash slowly at first and thenrapidly. Proceed with Step 3 under“Programming the Universal RemoteSystem” to complete.Universal Remote SystemOperationUsing the Universal RemoteSystemPress and hold the appropriateUniversal Remote system button forat least one-half second. Theindicator light will come on while thesignal is being transmitted.Erasing Universal RemoteSystem ButtonsErase all programmed buttons whenvehicle ownership is terminated.To erase:1. Press and hold the two outsidebuttons until the indicator lightbegins to flash. This shouldtake about 10 seconds.2. Release both buttons.