Q: How to remove and install the navigation antenna on 2007 Toyota Highlander?
A: Starting the process of removing the navigation antenna requires disconnecting the negative battery cable and waiting 90 seconds to stop Air Bag systems from activating. Then, proceed to remove the steering wheel No.3 cover lower, steering wheel No.2 cover lower, steering pad, steering wheel assembly, steering column cover lower, steering column cover upper, headlight dimmer switch, wiper switch, instrument cluster finish panel sub-assembly center, integration control and panel assembly, instrument panel finish panel lower, instrument cluster finish panel assembly, instrument cluster finish panel garnish, combination meter assembly, instrument panel finish panel subassembly lower, instrument panel insert subassembly lower LH, instrument cluster finish panel assembly center, floor carpet cover center LH, floor carpet cover center RH, front seat armrest assembly center, console box assembly, glove compartment door assembly, instrument panel No.2 finish panel lower, front passenger Air Bag assembly connector, front pillar garnish LH, front pillar garnish RH, front door scuff plate LH, front door scuff plate RH, cowl side trim sub-assembly LH, cowl side trim sub-assembly RH, and instrument panel sub-assembly. The installation of the navigation antenna requires screwing it with 2 screws and using 3 clamps before reinstalling the instrument panel sub-assembly and cowl side trim sub-assemblies and front door scuff plates and front pillar garnishes and front passenger Air Bag assembly connector and finally returning the components in reverse order while connecting the cable to the negative battery terminal and checking the steering pad and SRS warning light.