its the engine control unit... it manages all the working of the motor
I have a vw polo 2000 that had ecu problems, so we disconnected the battery then the ecu from the car and left it for he day. The next morning we reconnected it and that reset it. hope it works for you too
Disconnect battery for min. 3 hours, and ecu resetting.
It seems as if it is part of the flasher unit
The ECU is at back of engine bay under windscreen beneath long plasic cover which is in two parts fixed by clips and two screws
When the car is serviced by a VW garage the ECU (computer brain of the car) is hooked up to computer and would be reset then, i presume you've serviced car yourself so besides learning to hook your ECU to your PC I would ignore until your next major service and have that done with VW mechanic.
New VW Polo for EU market is made in Bratislava, Slovakia.
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1.4liter polo Playa 2002
It does.
Spain