Audi A4: Sound System
- Overview - Sound System
- Component Location Overview - Sound System
- Control Module/Digital Sound System Amplifier, Removing and Installing
- Left and Right Rear Treble Speaker -R14-/-R16-, Removing and Installing
- Front Midrange Speaker, Removing and Installing
- Subwoofer -R211-, Removing and Installing
- Effects Speaker, Removing and Installing
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Overview - Sound System
The following systems are offered:
8RM - Basic sound system.
9VD - Standard sound system.
9VS - Premium sound system, Bang & Olufsen.
8RM - Basic Sound System
One speaker in
Component Location Overview - Sound System
Component Location Overview - Sound System, Speaker, Sedan
1 - Left Front Treble Speaker -R20-/Right Front Treble Speaker -R22-,
8RM, 9VD
- Left Front Midrange Speaker 2
Control Module/Digital Sound System Amplifier, Removing and Installing
Special tools and workshop equipment required
Fiber-Optic Repair Set - Connector Protective Caps
-VAS6223/9-.
The Digital Sound System Control Module -J525--1-
is located behind the left luggage
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Battery Interrupt Igniter
Overview - Battery Interrupt Igniter
1 - Connector
For the Battery Interrupt Igniter -N253-
2 - Nuts
Tightening specification. Refer to
→ Electrical Equipment; Rep. Gr.97; Relay Panels, Fuse Panels, E-Boxes;
Component Location Overview - Relay Panels, Fus
Cooling system
Coolant
The engine cooling system is filled with a mixture
of purified water and coolant additive at the factory.
This coolant must not be not changed.
The coolant level is monitored using the
indicator
light. However, you should occasionally
check the coolant level.
Messages
The following messag
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