User's Manual

20 | P a g e
To HOOK a trailer:
1. Select “Hook & Drop” in the Main Menu of In-Car unit.
2. Select “Hook a trailer”.
3. Upon selecting, the in-car unit will scan for available trailers nearby in
Bluetooth range.
4. List of available trailers will be displayed on the in-car unit screen.
5. Select the desired trailer from the list which you would like to Hook.
6. To confirm press “Yes”.
7. Once hooked you will see “Hook successful” message will appear on
the screen.
To DROP a trailer:
1. Select “Hook & Drop” in the Main Menu of In-Car unit..
2. Select “Drop a trailer”.
3. List of hooked trailers will be displayed on the screen.
4. Select the desired trailer from the list which you would like to Drop.
5. To confirm press “Yes”.
6. Once dropped you will see “Drop successful” message will appear on
the screen.
6 FOBO Ultra Alert Messages
You will get the following alert messages below on your smartphone during
the operation of FOBO Ultra under different conditions. The In-Car
unit/Repeater will also generate different alert tones to distinguish the severity
of the alert. When you get a continuous non-stop two-tone alert, please find a
safe location to stop your car and check the alert messages on the smartphone.