Ford Fiesta Owner's Handbook Manual page 106

Driving without a trailer
E94771
1. Remove the tow ball arm.
2. Insert the plug into its seat (1).
WARNING
Never unlock the tow ball arm with
the trailer attached.
Maintenance
CAUTION
Remove the tow ball arm and protect
the seat with the plug before steam
cleaning your vehicle.
Keep the system clean. Periodically
lubricate bearings, sliding surfaces, and
locking balls with resin-free grease or oil
and the lock with graphite.
Keep a note of the key number. In case
of loss, replacement keys are available
from the manufacturer by stating the
4-digit key number.
Towing
1
104