Rectangular Waterproof Connector

WARNING: This page is about a different car, the 2014 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.

Disengage the front holder with a screwdriver and remove it.

Fig 1: Disengaging Front Holder Using Screwdriver
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Insert the tip of a screwdriver [0.8 mm (0.03 inch) width] into the connector as illustrated in the service information, push it lightly to raise the housing lance, and pull out the terminal.

Fig 2: Inserting Screwdriver Tip Into Connector
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Press the contact point to the male terminal down by holding a screwdriver [1.4 mm (0.06 inch) width] as illustrated in the service information. Lightly squeeze the outer edge so the flats are parallel with the bottom.

Fig 3: Pressing Male Terminal Contact Point Using Screwdriver
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.