Removal (To 12/2010): Removal

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
REMOVE STEERING WHEEL COVER LOWER NO. 2 . Refer to REMOVAL - Step 4
REMOVE STEERING WHEEL COVER LOWER NO. 3 . Refer to REMOVAL - Step 3
REMOVE STEERING PAD . Refer to REMOVAL - Step 5
REMOVE STEERING PAD SWITCH ASSEMBLY
1. Disconnect the pad switch connector from the spiral cable.
  
  Fig 1: Locating Steering Pad Switch Assembly Fasteners
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disengage the clamp and remove the 2 screws.
3. Disengage the 4 pins and remove the steering pad switch assembly.