In order to soft rest your dashcam, press and hold the silver button for three seconds. Please see the photo below with the red arrow showing the exact location.
The indication for a succesfull dashcam will be a blinking green LED.
The dashcam should be online after a few minutes.
If the soft reset was unsuccessful, please follow the hard reset instructions on the below link:
https://surfsight.freshdesk.com/support/solutions/articles/43000005830-how-can-i-reboot-my-dashcam-