Does a dashcam record audio?
Many models include a microphone that captures conversation and road sound when enabled. The exact default varies, so inspect the camera rather than assuming.
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Guide
Many dashcams can record cabin sound through a built-in microphone, but audio can usually be disabled. Check the on-screen microphone indicator and a saved clip.

Many models include a microphone that captures conversation and road sound when enabled. The exact default varies, so inspect the camera rather than assuming.
A built-in microphone mainly captures the cabin. Its reach and clarity vary with placement, windows, ventilation and vehicle noise.
Look for a microphone button, menu toggle or companion-app setting, then confirm the muted icon and review a new file.
Tesla describes Dashcam as recording driving footage to USB; its owner documentation does not describe cabin-audio recording as part of Dashcam clips.
Tell passengers when sound is being captured and consider leaving it disabled unless you have a clear reason to record it.
Common questions
Many models do when their microphone is enabled. Check the microphone indicator and review a short saved clip.
Tesla's Dashcam documentation focuses on exterior-camera video stored on USB and does not identify cabin audio as part of those recordings.
Usually, yes. Many cameras provide a separate microphone control, but confirm in the exact model manual.
We could not confirm a current manufacturer specification under that name, so rely on the exact device manual and inspect a saved recording rather than assuming audio support.