inputs.text: reprogram replacehement transmitter - bought replacehement old rehemote transmitter need know reprogram one thesewhenever transmitter new existing programmed systehem existing codes erased security purposes transmitters operate systehem four must programmed timestep 1 turn vehicle ignition switch using keystep 2 within 10 seconds press valetoverride switch 5 times located dashboard small round black button systehem respond one long sirenchirp confirm transmitter programming modestep 3 within 10 seconds press large button rehemote transmitter programmed response transmitter one short chirpnote 17 seconds elapses no interaction systehem systehem exit transmitter programming mode sounding one long sirenchirp turning ignition also exit transmitter programming mode