Guides

A beginner-friendly walkthrough of using an OBD2 scanner, from finding the port to reading codes, live data, freeze frame, and readiness monitors.

Whether you can mount a phone holder on your windshield, how state rules typically work, the practical downsides, and alternatives that avoid the question.

What California law says about mounting a phone on the windshield, where exactly it can go, how you can use it, and the base fines.

Safe ways to mount a tablet in a car, from headrest mounts for passengers to dash options for navigation, plus charging and cable tips.

How to position a phone holder at the right height, distance, and angle for your vehicle and driving style, with a quick setup test.

The five common places to put a phone holder in a car, compared for visibility, stability, safety, and legal rules.

How factory surround-view parking cameras create a bird’s-eye view from four cameras, how 360° dash cams differ, and the limits of both.

Whether a truly wireless dash cam exists, what “wireless” means on dash cam listings, and the trade-offs of Wi-Fi, battery, and wireless rear-camera setups.

Whether dash cams are legal in the U.S., how windshield mounting rules and audio consent laws can affect you, and how to use one responsibly.

What loop recording is, how dash cams decide which clips to keep and which to overwrite, and how to set it up so important footage is never lost.