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Removing and installing battery > < Maintenance-free batteries

A4 Cabriolet Mk2

Disconnecting and connecting battery
Disconnecting and connecting battery
Disconnecting
  Caution
On vehicles fitted with telematics system, activate service mode of telematics control unit before disconnecting battery → Rep. Gr.91.
–  Note code (obtain if necessary) for vehicles with encoded radio/radio navigation system (other manufacturers only).
–  Switch off ignition.
   
–  Slide cover over battery to right -arrow 1- and lift off -arrow 2-.
  A27-0091
–  Loosen nut several turns and disconnect battery clamp -arrow- of earth cable from battery terminal post.
Connecting
–  When connecting battery, attach battery clamp of earth cable to negative battery terminal “–” by hand and tighten nut.
The following measures must be carried out after re-connecting battery:
t  Activate vehicle equipment (radio, radio/navigation system, clock, electric windows) → Owner's manual.
t  Deactivate service mode of telematics control unit → Rep. Gr.91.
t  Check proper function of remote control keys; synchronise keys if necessary. Inform customer that all additional keys must also be synchronised to ensure that the remote control works properly → Owner's Manual.
t  Interrogate fault memories of all control units and erase “Low voltage” fault if necessary → Vehicle diagnosis, testing and information system VAS 5051.
  Note
After re-connecting voltage supply the ESP warning lamp will go out only after driving a distance of several meters.
Tightening torque
  A27-0092
ComponentNm
Battery cable clamp to battery terminal7.5

   

Removing and installing battery > < Maintenance-free batteries