How to Use an iPhone as a Dashcam Safely

Rules vary by state. The mount must not violate windshield-obstruction or distracted-driving laws, and recording passengers or audio may raise separate consent issues.

Long recording sessions combine camera use, processing and charging, which can create heat. Apple advises that excessive temperatures can temporarily disable features and shorten battery lifespan.

That depends on the app. Choose one with documented loop recording, set a sensible storage allowance and confirm before departure that recording has started.

Usually not for set-and-forget coverage. Calls, notifications, heat, app behavior and daily mounting make a phone easier to interrupt or forget.