This chapter contains information on the following subjects:
→ Socket in the vehicle
Electrical equipment can be connected to the socket in the vehicle.
The devices connected must be in good condition and fault-free.
Additional information and warnings:

WARNING

NOTICE
Do not leave the engine running when the vehicle is stationary.
Using electrical appliances with the engine switched off and the ignition switched on will drain the battery.
Unshielded devices can cause interference with radio reception and vehicle electronics.
Interference of AM radio reception could occur if electric devices are used in the vicinity of the rear window aerial.
Socket
Socket in the vehicleEU Type Approval Number, Sales Code and Sales or Trade Name
The Additional Descriptions Only Apply to VW Vehicles.
Since 01/01/1998, all passenger vehicles licensed for road use
within the European Union must possess type approval according to EU
guidelines . Vehicles licensed for road use with single-vehicle approval
accordin ...
A/C Compressor with A/C clutch
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Midtronics Battery Tester -MCR340VKT-, Troubleshooting
Sometimes the display shows the malfunction or the messages
based on the condition.
The following is a list of the most frequent displayed
messages together with suggested solutions.
Note
Refer to the MCR3 ...