See also:

Capacities
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Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

Buttons at a glance
1. System on/off, interrupt 2. Resume speed 3. Store speed 4. Reduce distance 5. Store, maintain/change speed 6. Increase distance ...