If the ball neck is not engaged, the trailer may come loose.
The all-electric trailer hitch could be mechanically damaged by applying additional pressure when the ball neck is being extended or retracted.
The vehicle is secured against rolling away.
The swivel range is clear.
The trailer cables or adapter plugs have been removed.
![](../../assets/images/feada8188ab81108ac190d2b26099753_1_-----.jpg)
![](../../assets/images/445473de0b52aab9354ae36531593424_1_-----.png)
Indicator lamp will flash and the display message Trailer coupling in motion will appear on the driver's display.
The ball neck will extend fully electrically.
When indicator lamp is continuously lit, the ball neck is securely locked in place.
If the ball neck is not securely locked in place, indicator lamp will flash and the display message Check trailer hitch lock will appear on the driver's display.
![](../../assets/images/2b8cc8118ab812fcac190d2b26099753_1_-----.jpg)
![](../../assets/images/445473de0b52aab9354ae36531593424_1_-----.png)
Indicator lamp will flash and the display message Trailer coupling in motion will appear on the driver's display.
The ball neck will retract fully electrically.
When indicator lamp goes out, the ball neck is securely locked in place.
If the ball neck is not securely locked in place, indicator lamp will flash and the display message Trailer coupling Check lock will appear on the driver's display.