Explainers

Straight answers

The questions that come up over and over in owner discussion, rather than the ones a keyword tool suggests. For a walk through every number on a spec sheet, start with specs explained.

Do dash cams overheat, and is there one that does not?

Every dash cam gets hot on a windshield; what matters is what is inside it. A lithium battery held above roughly 140°F swells, distorts the case …

Updated 2026-09-23

Do I need to hardwire a dash cam?

Only if you want parking mode. Plugged into a cigarette lighter socket a dash cam powers up with the ignition and records the entire drive, which…

Updated 2026-09-23

What does parking mode actually record?

Four different things. Impact-triggered recording starts when the G-sensor fires, by which point the car that hit you is already leaving. Time-la…

Updated 2026-09-23

Why dash cam memory cards fail, and how to tell

Because loop recording rewrites the same flash cells continuously, all day, and a standard memory card is built for occasional photo storage rath…

Updated 2026-09-23

Where should a dash cam be mounted?

High and central, tucked behind the rearview mirror. That is the best optical position — the lens sits in the swept, shaded part of the glass wit…

Updated 2026-09-23

How long does a dash cam last?

Owners report three to five years from a camera that lives on a windshield, with heat the dominant variable and the memory card wearing out sever…

Updated 2026-09-23

Can a dash cam actually read a license plate?

Sometimes, and the distance depends on pixels per degree far more than on the resolution on the box. In good light, a camera around 27 pixels per…

Updated 2026-09-23

Do insurers actually accept dash cam footage?

Yes, and they generally treat it as strong evidence when it is clear and unedited. What it mostly does is resolve a disputed account quickly rath…

Updated 2026-09-23