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For Vehicles Equipped With Mobile Communication System

WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the antenna as far as possible away from the ECU and sensors of the vehicle's electronic system.
  2. Install the antenna feeder at least 20 cm (7.87 in.) away from the ECU and sensors of the vehicle's electronic systems. For details about ECU and sensors locations, refer to the section on the applicable component.
  3. Prevent the antenna feeder from getting entangled with the other wiring and keep the antenna feeder separate from the other wiring as much as possible.
  4. Check that the antenna and feeder are correctly adjusted.
  5. Do not install powerful mobile communications system.