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
1.4. Seats and means of passive safety
1.5. Conditioning and heating
1.6. Driving and service of the car
1.6.1. Launch of the engine
1.6.2. Emergency brake
1.6.3. The help at the parking ahead and behind
1.6.4. System of regulation of speed
1.6.5. Automatic transmission
1.6.6. Klinotsepna variator of "Multitronic"
1.6.7. Operation of "Multitronic"
1.6.8. Electronic system of dynamic stabilization (ESP)
1.6.9. Antiblocking device brake systems
1.6.10. Electronic blocking of differential (EDS)
1.6.11. System of regulation of the drive of driving wheels (ASR)
1.6.12. Amplifier of the steering drive
1.6.13. System servotronik
1.6.14. Four-wheel drive ("Quattro")
1.6.15. The movement with the trailer
1.6.16. Removable traction coupling device
1.6.17. Control of level of oil
1.6.18. Cooling liquid
1.6.19. Rechargeable battery
1.6.20. Windscreen washer
1.6.21. Replacement of a wheel
1.6.22. Lifting of the car
1.6.23. Dismantle / installation of a wheel
1.6.24. Help of launch of the engine
1.6.25. Safety locks
1.6.26. Glow lamps
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 







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1.6.14. Four-wheel drive ("Quattro")

The drive of the all-wheel drive car is carried out on all four wheels. The four-wheel drive of the car works completely in the automatic mode. The torque is distributed on all 4 wheels automatically in optimum compliance with dynamics of the movement of the car and specific road conditions.

Winter tires
All-wheel drive cars even with serial tires in winter conditions have high traction and dynamic qualities. Despite it, it is recommended to establish on all 4 wheels of the tire with the winter drawing of a protector or the tire intended for any weather in the winter. Thanks to it first of all efficiency of braking improves.

Antisliding chains
The rules ordering obligatory use of antisliding chains extend as well to all-wheel drive cars.


1.6.13. System servotronik

1.6.15. The movement with the trailer