To complete the procedure, a second technician is required to be at the
following position.
NOTICE
Risk of damaging the hood by opening when the pedestrian
protection is triggered.
- 
To complete the procedure, a second technician is required to be at the
following position.
NOTICE
Risk of damaging the hood by opening when the pedestrian
protection is triggered.
- 
WARNING
The quick-release coupling connectors may be
unlocked and opened only if the refrigerant circuit is
empty.
Note
This illustration shows the quick-coupling connection with a
refrigerant pipe with an inner heat exchanger that is installed
in the Audi A4 from MY 2008 and
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Electrocution can
cause death or very serious personal injury from damages high-voltage
components and high-voltage cables.
- Perform a visual inspectio