First read and observe the introductory information
and safety warnings

WARNING
Fitting the removable ball coupling
Hitching and connecting the trailerWear Spots
A wear spot is a flat spot on the tread of the tires that
can be caused by extreme braking maneuvers on subsurface such as
asphalt.
At the same time a tire during the braking maneuver is
rubbed at selective points which ...
Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A
Caution
When heat-shrinking crimp connections, be careful
not to damage any other wiring, plastic parts or
insulating material with the hot nozzle of the hot air
gun.
Always ...
4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
Note
Do not repair the heated oxygen sensor wires. Repairing may
result in malfunctions.
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
...