Navigation Antenna: Removal

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
- Some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
- After the ignition switch is turned OFF, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch OFF, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.
REMOVE INSTRUMENT PANEL SUB-ASSEMBLY
1. for Column Shift Type:
  Remove the instrument panel (see REMOVAL ).
2. for Floor Shift Type:
  Remove the instrument panel (see REMOVAL ).
REMOVE NO. 1 HEATER TO REGISTER DUCT WITH NO. 2 HEATER TO REGISTER DUCT (See DISASSEMBLY )
REMOVE NO. 2 SIDE DEFROSTER NOZZLE DUCT (See DISASSEMBLY )
REMOVE NO. 1 SIDE DEFROSTER NOZZLE DUCT (See DISASSEMBLY )
REMOVE DEFROSTER NOZZLE ASSEMBLY (See DISASSEMBLY )
REMOVE NAVIGATION ANTENNA ASSEMBLY
1. Detach the clamp.
2. Remove the 2 screws and antenna.
  
  Fig 1: Identifying Navigation Antenna Assembly Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002