Audi A3

since 1997 of release

Repair and car operation

Audi A3
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ the Power supply system and production of the fulfilled gases
+ engine Electric equipment
+ Manual box of gear shifting
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   Electric equipment of system of comfort
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Check of the electric motor of a screen wiper
   Check of warmed back glass
   Stoplight check
   Removal, installation and check of a sound signal
   Safety locks
   Fusible inserts - the general information
   Chain breakers (thermal relays)
   Replacement of batteries of a key of remote control
   Replacement of a battery/lamp of a natural with illumination
   Anticreeping blocking
   Lighting devices
   Replacement of lamps of external lighting
   Replacement of bulbs of internal lighting
   Removal and headlight installation
   Removal and installation of the electric motor of adjustment of range of light
   Removal and installation of the forward index of turn
   Removal and installation of a back lamp
   Adjustment of light of headlights
   Removal and installation of a control panel
   Removal and installation of the podrulevy switch
   Removal and installation of switches and lamps
   Removal, installation and radio receiver coding
   Input of a code of a radio receiver
   Removal and loudspeaker installation
   Removal and installation of the aerial of a roof
   Additional installation of a radio telephone on in a special way prepared models
   Removal and installation of the electric motor of a forward screen wiper
   Removal and installation of the lever and electric motor of a back screen wiper
   Removal and installation of a cleaner of back glass
   Removal and tank installation with the pump of a stekloomyvatel
   Elements темпостата
+ Elektroskhema


Replacement of batteries of a key of remote control



At removal of batteries check, whether polarity is specified on batteries. If polarity is not specified, mark position of the battery.

1. Insert a screw-driver into a gap between the block of the transmitter-1-and the main key – 2–.
2. Turn a screw-driver in the arrow direction and by that disconnect the transmitter block from a key.
3. Release the transmitter block, having pressed lateral clamps (are specified by shooters). Remove the transmitter block.
4. Disconnect the top battery-1-by means of a screw-driver from holders–2–, as shown shooters.
5. Take out a contact plate–1–. Thus turn it so that two direct edges adjoined to both clamps. The contact plate can be removed also by means of a screw-driver.
6. Disconnect the bottom battery by means of a screw-driver from holders.



At installation of batteries watch polarity. Polarity (+/–) is specified on the battery and the case.

1. Insert the bottom battery-4-a positive pole (+) down into the case-5-. The positive pole (+) is specified on the case.
2. Put a contact plate–3–on the battery-4-and turn behind clamps.
3. Put the battery-2-a positive pole (+) down on a contact plate and fix.
4. Put the transmitter-1-block on the case-2-and fix.

The block of the transmitter is shown on an illustration overturned.

5. Insert the complete block of the transmitter into the main key–6–and fix.

The transponder of the variable code designated by the beaten-out letter W has a key.