Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
1.1. General information
1.2. Keys, locks of doors
1.3. Governing bodies, combination of devices and equipment of interior of the car
1.3.1. Central console
1.3.2. Control lamps of a combination of devices
1.3.3. Information system of the driver (FIS)
1.3.4. Control system of malfunctions
1.3.5. On-board computer
1.3.6. The air pressure control system in tires
1.3.7. System of lighting
1.3.8. Illumination of salon
1.3.9. Screen wipers
1.3.10. Mate rear-view mirror
1.3.11. External mirrors
1.3.12. Equipment of salon
1.4. Seats and means of passive safety
1.5. Conditioning and heating
1.6. Driving and service of the car
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment


1.3.8. Illumination of salon

Forward plafonds and lamp of illumination of a ware box

Fig. 1.80. Governing bodies of illumination of a forward part of salon

Illumination of a forward part of salon includes also lamps of individual illumination of the driver and forward passenger (fig. 1.80).

Operation from door switches
Install the switch A in average situation.

Inclusion of a plafond
Install the switch A in situation 1.

Switching off of a plafond
Install the switch A in situation 0.

Forward lamps of individual lighting
For inclusion of the right or left lamp of individual lighting press the corresponding switch B.

Illumination of a ware box
Illumination of the forward passenger of a ware box located on the party automatically joins when opening a box and the included headlights or parking fires. When closing a box lighting is switched off.

Functional features
If the plafond is in the provision of operation from door switches, it joins when unlocking the car or opening doors. Besides, the plafond joins at extraction of a key from the ignition lock. Light dies away approximately through 30 from later closing of doors. At inclusion of ignition or when locking the car the plafond is switched off.
In order to avoid an accumulator discharge illumination of salon is automatically switched off if the door remains opened more than 10 min.
Brightness of light of lamps at inclusion and switching off is automatically regulated by a svetoregulyator.

Lamps of the accompanying lighting

Fig. 1.81. The accompanying lighting

The accompanying lighting highlights important governing bodies (fig. 1.81).
At inclusion of ignition lighting in door handles automatically joins.
At inclusion of parking fires or light of headlights also lighting over a windshield joins. On the central console light falls from above.
The accompanying lighting cannot be switched off a hand.

Back lamps of individual lighting

Fig. 1.82. Back lamps of individual lighting

Lamps of individual lighting join and switched off by keys (fig. 1.82).

Illumination of a luggage carrier

Fig. 1.83. Illumination of a luggage carrier

The lamp is located in the top part of a trunk lid. One more lamp is mounted from the inside of a back wall (fig. 1.83).
Lighting joins automatically when opening a trunk lid. Lighting is automatically switched off if the luggage carrier remains opened more than 10 min.

Heating of a windshield
Heating of a windshield exempts glass from moisture.

Fig. 1.84. Switch of heating of a windshield

For inclusion or switching off of heating of a windshield press the button (fig. 1.84).
Heating of a windshield is possible only at the working engine. At the included heating in its switch the control lamp burns. In the automatic mode of the conditioner (AUTO) of the car with the cold engine and external temperature less than +5 °C heating of a windshield joins automatically. Duration of heating depends on external temperature and makes at most 6 min. At the same time the conditioner has to work in heating capacity mode. In the set mode to external temperature less than +5 °C function of automatic heating of glasses in addition joins. Duration of heating depends on external temperature and makes at most 6 min.
In the set ECON mode heating of a windshield is turned off.

Heating of a windshield is automatically turned off in case of education on a crack windshield as a result of influence of foreign objects (for example, blow by a stone). The conditioner is switched-off to prevent further increase in a crack.

It is recommended to replace glass urgently. It will allow to operate the conditioner without restrictions again.
After inclusion of heating of a windshield in the range of reception of AM (SV and DV) of radio short-term noise hindrances are possible.

Heating of back glass
Heating of back glass exempts back glass from moisture.

Fig. 1.85. Switch of heating of back glass

For inclusion or switching off of heating of back glass press the button (fig. 1.85).
Heating of back glass works only at the included ignition. Until it is included, in its switch the control lamp burns.
At an external temperature more than 0 °C heating of back glass is switched off approximately in 10 min. independently.
At the included heating of back glass depending on external temperature the surface of mirrors is warmed.

Switch off heating of back glass after restoration of visibility through it. Reduction of an expense of the electric power promotes decrease in fuel consumption.

Sun-protection peaks
Sun-protection peaks promote increase in traffic safety.

Fig. 1.86. Sun-protection peak

Sun-protection peaks of 1 driver and forward passenger can be released from clamps and be taken away with turn to doors (fig. 1.86).
Sun-protection peaks are completed with a cosmetic mirror with a cover. Illumination of mirrors (a lamp in a ceiling) joins automatically when moving a cover 2 and is switched off at its return to a starting position. Besides, lighting is switched off also when closing a sun-protection peak.

The car with a sun-protection curtain (back doors), with a sun-protection curtain (back glass)
Windows of back doors and back glass are respectively completed with a sun-protection curtain.

Sun-protection curtain (back doors)

Fig. 1.87. The lifted sun-protection curtain of a back door

Extend a curtain and to fix it for hooks of top of a doorframe (fig. 1.87).

Sun-protection curtain (back glass)

Fig. 1.88. Key of an electrodriving curtain of back glass

For lowering or lifting of an electrodriving sun-protection curtain of back glass press a key (fig. 1.88).
Having reached extreme top or lower situation, the curtain is automatically switched off. During the movement of a curtain up or down pressing of a key it is possible to change its direction of the movement. At switching off of ignition during rise or lowering of a curtain, it will stop not at once but only after achievement of extreme situation.

At repeated, without appropriate pauses, inclusion of a curtain the protection against an overload provided in its drive works. In this case the subsequent inclusion is possible only after some time.
As on a frost material of a curtain loses elasticity, at a temperature in salon of -5 °C its drive is switched-off. In this case the switch of a curtain it will be possible use only after excess of this threshold value.

1.3.7. System of lighting

1.3.9. Screen wipers