To replace the head light, dimmer and fog light switch, one has to first remove the cable from the negative terminal of the battery. Furthermore, with the help of a trim tool, remove switch from the driver's side switch panel and pull the connectors off the switch. Perform the same steps for heads-up display HUD switch-remove the battery cable, pull the HUD switch assembly out from the passenger's side switch panel, and sever the electrical connectors. For the hazard flasher switch it is part of the radio/heater/ air conditioner control module and must be removed and replaced as an assembly, the following procedure is followed; the center trim radio, and heater/air control panel is to be removed, the radio control assembly is then removed from the trim panel for testing before reinstalling all the parts in the reverse order it was removed.