Switch-on conditions
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The following switch-on conditions must be fulfilled for the fully automatic trailer tow hitch:
- No overvoltage or undervoltage in the vehicle voltage
- Terminals greater than or equal to terminal 30B
- Driving speed less than 5 km/h and speed signal is valid
- Tailgate or rear window open
- Connector not inserted in trailer socket
NOTE:
The system is deactivated when ignition is switched off for a certain period (e.g. after 90 seconds). The LED in the button for the fully automatic trailer tow hitch goes out.
The following preconditions reactivate the system:
- Close tailgate or door and reopen
- Switch on ignition.
- Press the "Open central locking system" button on the radio remote control.