Window Defogger System: Repair

WARNING: This page is about a different car, the 2006 Lexus IS 350 and 2006 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

IF NECESSARY, REPAIR THE DEFOGGER WIRE
1. Clean the broken wire tips with a grease, wax and silicone remover.
2. Place the masking tape along both sides of the wire.
  
  Fig 1: Placing Masking Tape Along Both Sides Of Wire
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Thoroughly mix the repair agent (Dupont paste No. 4817 or equivalent).
4. Using a fine tip brush, apply a small amount of the agent to the wire.
5. After a few minutes, remove the masking tape.
  NOTE: Do not repair the defogger wire again for at least 24 hours.
Fig 2: Applying Small Amount Of Agent To Wire
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002