Guides
Practical, no-nonsense guides from the ERAFAV team — how to choose the right part, install it properly, and get the most from it. Each guide includes a hand-picked video walkthrough.
How to Choose the Right OBD2 ScannerCode reader or full bidirectional scan tool? What actually matters when picking an OBD2 scanner for your car or truck.Read guide →How to Install a Dash Cam (Front & Rear)Mount it, hide the wire, power it — a clean DIY dash-cam install in about an hour, no cut wires needed.Read guide →Wireless CarPlay Adapter: Setup & TroubleshootingTurn factory wired CarPlay into wireless in five minutes — how the dongles pair, and the fixes for lag or drop-outs.Read guide →How to Replace a Key Fob Shell & BatteryCracked buttons or a worn case don't need a new key — swap the shell and battery yourself in 10 minutes, no programming needed.Read guide →Upgrading to LED Headlight BulbsWhiter, brighter light in 20 minutes — how to find your bulb size, install LEDs properly, and aim them so you don't blind traffic.Read guide →TPMS Sensors Explained: Reset, Relearn & ReplaceWhy the tire-pressure light is on, when a sensor actually needs replacing, and how a $20 relearn tool resets GM systems in minutes.Read guide →