Technical Description (Comment)
WARNING: This page is about a different car, the 2006 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
If the encrypted code register mode can not be set, the input circuits from the key reminder switch, hazard warning light switch or the ETACS-ECU may be defective.
If the encrypted code register mode can be set but the transmitter can not be registered, the transmitter or the ETACS-ECU may be defective.