Skoda Octavia Tour Owner's Manual page 121

120 Towing a trailer
•
Contact a specialist garage if you encounter any problems using the device.
•
Never unlock the ball head with a trailer coupled to it.
•
You should take off the ball head if you drive without towing a trailer. Inspect
whether the end cover properly seals off the mounting shaft.
•
Remove the ball head beforehand if you wish to clean your vehicle using a steam
jet. Ensure that the end cover properly seals the mounting shaft.
•
It is recommended to wear gloves when installing and removing.