Lexus 2.0 Serie Manuel Du Propriétaire page 56

G-Sensor (Normal mode) / G-Sensor (Parking quick wake-up mode) / G-Sensor (Parking normal wake-up mode)
During normal mode and parking quick wake-up mode, the G-sensor measures the movement of your vehicle through 3 axes – up and down, side to side, and
front and back. During parking normal wake-up mode, G-sensor measure the movement of your vehicle, not specific to any directions. When the G-sensor
detects significant or sudden movement (such as an impact or collision) it will trigger an event recording. You can adjust the sensitivity so minor incidents and
bumps don't trigger an event recording. To turn off event recordings by impact detection set the G-sensor sensitivity to off.
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