• Running gear
• Body
• Vehicle electrics
• Electrical system
• Self diagnosis, V.A.G Inspection Service
• Starter-current supply-CC
• Instruments, GCI
• Infotainment
• Windscreen wipe/wash system
• Lights, lamps, switches outside
• Lights, lamps, switches inside, anti-theft system
• Cruise control system (CCS)
• Anti-theft alarm system (ATA)
• Interior lights and switches
• Removing and installing light switch
• Removing headlight range control regulator E102
• Removing combi-warning lamp
• Removing and installing interior light
• Replacing front passenger reading light bulb
• Removing and installing luggage compartment light W3 , Variant
• Removing and installing luggage compartment light W3 , saloon
• Removing and installing luggage compartment light switch
• Removing and installing rear reading lights
• Removing and installing sliding sunroof switch E8
• Removing and installing door contact switch
• Removing and installing electric window switch
• Removing and installing mirror adjustment switch E43 with mirror adjustment change-over switch E48
• Immobilizer
• Wiring
• Power transmission
• Power unit
• Heating, ventilation, air conditioning system