Yes. On trackers that support crash detection, the Crash alert is on by default, so you're notified without setting anything up. You can check or change who receives it in your alert rules.
Applies to: the Hapn web app at app.gethapn.com and the Hapn mobile app.
Which devices detect crashes
- Pulse OBD plug-in tracker
- Pulse Vision AI Dash Cam
- GV57 hardwired tracker
- GB130 hardwired tracker
Each one detects a crash with its own built-in motion sensor (accelerometer), which picks up the sudden jolt of an impact. It doesn't read crash or airbag data from the vehicle's computer. That's why a plug-in tracker and a dash cam can each detect a crash on their own.
Check who gets crash alerts
The Crash alert is one of the few alerts Hapn turns on for you. It's on for vehicle trackers, alongside the battery and SOS alerts for battery-powered trackers. It's worth checking that it reaches the right person:
- Open your alert rules: on the web, Alerts & Issues → Manage alerts; on the mobile app, Issues → the gear icon (Alert rules).
- Find the Crash rule and make sure it's switched on.
- Check who it notifies and how. We recommend a push notification or text rather than email, so someone sees it within minutes.
If the Crash rule has been switched off or deleted, create a new one and choose Crash under Driver Safety Alerts. See How to Set Up Alerts and Notifications.
See crashes after the fact
Every crash a tracker detects is recorded, whether or not you had an alert set up:
- In the Driving Behavior Report, switch to All events and select the Crash tab. Each crash shows the time, vehicle and location, with a Time Machine link to replay the moment. See Understanding the Driving Behavior Report.
- On the Trips page, filter by the Crash alert type.
Crash footage from a dash cam
A Pulse Vision AI Dash Cam can also save video of the impact automatically. That's a separate setting from the alert: the camera's Crash trigger saves the footage, and the Crash alert notifies you. Check that the camera's Crash trigger is switched on. See Using Your Dash Cam in Hapn: Footage, Requests and Live View.
Had a collision but no alert?
- Check that the Crash alert rule is still switched on, covers that vehicle, and notifies the right person in a way they'll see (push or text).
- Check the vehicle's tracker is one of the models listed above.
- Look at the Crash tab of the Driving Behavior Report for that day to see whether the crash was recorded.
- If it was recorded but no alert arrived, or it wasn't recorded at all, contact Hapn support with the vehicle, date and approximate time.
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