The attached video demonstrates how to secure the bottom convex mirror (small mirror) to the mounting frame. This instruction applies to the following products.
Freightliner Columbia Century Door Mirror Power Heated Black with Arm - Driver & Passenger Side
Freightliner Columbia Door Mirror Power Heated Chrome with Arm - Driver and Passenger Side
Freightliner Columbia Door Mirror Power Heated Black - Driver Side
Freightliner Columbia Door Mirror Power Heated Black - Passenger Side
Freightliner Columbia Door Mirror Power Heated Chrome - Driver Side
Freightliner Columbia Door Mirror Power Heated Chrome - Passenger Side
Here are the steps:
1. Thread the wide angle mirror (small mirror) through the designated hole on the frame
2. Pull the plastic handle on the ball at the back of the mirror until you can turn anti-clock-wise to lock the ball to the frame