What Are Common Mistakes to Avoid When Using a Dashcam
The biggest dashcam mistakes are installing it badly, never checking the footage saves, and assuming it's recording when it isn't.
Why these mistakes happen and why they matter
A dashcam only helps you if it's actually capturing usable footage when something happens, and most of the mistakes drivers make break that chain somewhere before the incident ever occurs. The camera looks like it's working because the light is on and the screen shows a view, but a loose mount, a full memory card, or a setting that overwrites short clips too quickly can all mean there's nothing to hand over later.
Mounting position is one of the most common failure points. A camera stuck too low or angled wrong will catch dashboard glare, miss the other car's plate, or cut off the moment of impact entirely. It feels fine every day you don't need it, which is exactly why people don't notice the problem until the one day they do.
Memory cards fail quietly too. Dashcams write and overwrite footage constantly, which wears cards out faster than normal use, and a card that's failing will often keep recording error-free looking files that won't actually play back. If you've never pulled the card and checked a clip on another device, you don't actually know your dashcam works.
The other mistakes are about what happens after an incident. Footage that should be locked and saved gets overwritten because nobody hit the save button or the auto-lock sensitivity was set too low to trigger on a minor bump. And footage that does get saved sometimes never reaches an insurer because the file sat on a phone or a drawer instead of being given to the claims adjuster right away. None of this is complicated to avoid, but it does take knowing where the weak points are before you need the camera to come through.
The mistakes that make your footage useless later
- Loose or low mounting A shaky or poorly angled camera blurs plates and misses impact. Mount it high near the mirror, angled level with the road, and check the view once a month.
- Never testing playback A recording light doesn't prove the file is good. Pull the card every so often and play a clip on another device to confirm it actually works.
- Relying only on auto-lock Sensitivity settings miss minor hits and slow rolls. After anything unusual happens, manually lock or save the file yourself right away.
- Letting the card fill up Old or full cards overwrite the clip you need before you ever see it. Replace the card on a schedule and don't wait for it to fail.
- Sitting on the footage Saved footage that stays on your phone doesn't help your claim. Send it to your insurer as soon as you file, not after they ask twice.
A rear-end hit that almost went unproven
A driver was stopped at a light when another car rolled into the back of their bumper at low speed. The impact was light enough that the dashcam's automatic event sensor never triggered, so the camera kept recording over itself the way it normally does on a loop. The driver assumed the footage was safely captured because the camera had clearly been running.
Three days later, filing the claim, they went to pull the clip and found it had already been overwritten. The other driver had since changed their story about who had the right of way. Without footage, it came down to two accounts against each other, and the claim took longer to settle than it should have. The driver started manually locking a clip after every bump or close call from then on, regardless of whether the sensor caught it, and bought a spare card so there was never a reason to let the loop run out before footage got pulled.
Once your dashcam setup actually holds up, compare quotes to see how documented driving can work in your favor.
Whether you check your dashcam setup regularly
If you do
You catch a loose mount, a dying card, or a bad angle before an incident happens, not after. When something does occur, you know the footage exists, know where it is, and can hand it to your insurer quickly, which speeds up claims and settles disputes in your favor.
If you don't
You find out something went wrong only when you need the footage most. A card that silently failed, a clip that got overwritten, or an angle that missed the plate means you're left with your word against someone else's, and claims take longer or settle less favorably.
Do insurers actually accept dashcam footage as evidence?
Yes, most accept it, but policies on how footage is submitted and what it needs to show vary by insurer. Check with yours about preferred file formats and whether they want the original file or a copy, since some want unedited footage straight off the card to confirm nothing was altered.
Should I tell my insurer I have a dashcam before I need it?
It's worth mentioning when you set up or renew your policy, since some insurers factor it into how they view your claims history or offer it as a discount. Ask your insurer directly, because whether it affects your rate or terms depends entirely on their own guidelines.
How long should dashcam footage be kept after an incident?
Keep it until your claim and any related dispute are fully closed, not just filed. Save a copy somewhere other than the camera itself, like a computer or cloud storage, since a card can still fail or get overwritten even after you think the footage is safe.
