Audi A3  Self-help  Fuses and bulbs  Fuses
No.
Electrical equipment
F2
Seat adjuster
F3
Hydraulic pump for soft top (Cabriolet)
F4
MMI control console, MMI components
F5
Gateway
F6
Anti-theft alarm system
F7
Air conditioner/heater console, selector lever (automatic gearbox), auxiliary heating, relay coil for rear window heating
F8
Diagnostics, switch for electro-mechanical parking brake, light switch, rain/light sensor, interior lighting, communications box (plug-in hybrid drive*)
F9
Steering column switch module
F10
Display
F11
Reversible belt tensioners (driver's side)
F12
MMI system
F13
Suspension control unit / maintenance connector (plug-in hybrid drive*)
F14
Air conditioner blower
F15
Electric steering column lock
F16
MMI system
F17
Instrument cluster
F18
Reversing camera
F19
Control unit for convenience key system
F23
Exterior lights, heated washer jets
F24
Panorama roof/control unit for soft top, soft top lock (Cabriolet)
F25
Door/s, driver's side (e.g. electric windows)
F26
Seat heating
F27
Sound amplifier
F28
Control unit for soft top, electronics (Cabriolet)
F29
Interior lights
F31
Exterior lights
F32
Driver assistance systems
F33
Airbag
F34
LEDs for buttons/switches, coil for neck heating relay (Cabriolet) and electrical socket relay, interior sound, reversing light switch, temperature sensor, oil level sensor
F35
Diagnostics, headlight range control, air quality sensor, automatic anti-dazzle mirrors
F36
Cornering light (right side) / LED headlight (right side)
F37
Cornering light (left side) / LED headlight (left side)
F38
High-voltage battery (plug-in hybrid drive*)
F39
Door(s), passenger's side (e.g. electric windows)
F40
Cigarette lighter, electrical sockets
F41
Reversible belt tensioners (front passenger's side)
F42
Central locking system, windscreen washer
F43
Headlights, lighting
F44
Four-wheel drive
F47
Rear window wiper
F48
External sound actuator (plug-in hybrid drive*)
F49
Starter, clutch sensor, relay coil for headlights, high-voltage battery (plug-in hybrid drive*)
F53
Rear window heating
The seats with electric adjustment* are protected by circuit breakers. These reset automatically after a few seconds when the overload has been corrected.
Note
Please note that the above list, while correct at the time of printing, is subject to alterations.

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