Momento dash cams are NOT always recording, but they ARE almost always monitoring. While driving, Momento constantly records as long as your engine is on. However, when you remove the key from the ignition, Momento dash cameras enter “parking mode”. While in parking mode, the Momento dash camera does not permanently record footage to your micro-SD memory card unless shock or motion is detected around the vehicle. If the Momento shock/motion sensors are triggered, your Momento Dash Cam will record footage from 15 seconds before and after the incident.