How-to Videos for installs and repairs on Cadillac CTS-V Cars

Diagnose your check engine light with this OBD2 diagnostic scan tool. Watch the 1A Auto experts demonstrate the functions you can use to get to the problem

How to diagnose a rear end differential.

This video shows you how to figure out if a rear differential leak is happening on your vehicle, and what to do about it.

The basics and common features of exterior door handles, then apply what you've learned if you need to replace a door handle on your own vehicle

Learn how to use this handy tool to test many of the electronic circuits in your vehicle.

Check out this video demonstrating an air powered die grinder that you can get here on 1AAuto.com! Get yours today for your next DIY project!

In this video, Sue explains how black ice forms, so that you can spot it while on the road!

Andy shows you what causes the P0014 code, and what you can do to check it out in your car to make it right!

How to diagnose a broken power window

Just a quick video showing you one way to get a Rear Disc off when it is rusted to the axle. This works in many occasions but may not work when there is extreme rust or corrosion. This is a general-vehicle video.