First read and observe the introductory
information and safety warnings
Vehicles should not be tow-started wherever possible. Use jump leads to start the engine instead .
For technical reasons, the following vehicles cannot be tow-started:
However, if the vehicle still has to be tow-started (manual gearbox):

NOTICE
Introduction
Notes on towingLegal Requirements
The manufacturer is granted general type approval for the
whole vehicle including all parts and for specific retrofitting
(general type approval according to § 20 StVZO (Motor Vehicle
Construction and Use Regulations or EU type approval).
...
A/C Pressure Switch -F129
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
Valve, Removing and Installing, Valve Explanations
1. Valve Body
1 -
Valve body
2 -
Valve Insert
3 -
Valve cap
The rubber valve for tubeless tires is designed to seal
air-tight in the ...