If it is the same as the 2002 model you hold the button in and keep it held in for 5 seconds after the window fully decends then hold it in until it is fully up and keep hold for 5 more seconds then it should be reset
To reset the remote central locking on a 2001 Vauxhall Astra, first, ensure all doors are closed. Insert the key into the ignition and turn it to the "On" position without starting the engine. Press and hold the unlock button on the remote for about 10 seconds, then release it. Finally, turn the ignition off and test the remote to see if it’s functioning properly.
This is the Vauxhall/Opel Astra "G" sometimes known as the Mark 4
185/65-15
To replace the window washer bottle on a 2001 Vauxhall Astra 1.6 Club, first, disconnect the battery for safety. Remove the front wheel on the side of the washer bottle to access the mounting screws. Disconnect the hoses and electrical connectors from the old bottle, then unscrew and remove it. Install the new bottle by reversing the steps, ensuring all connections are secure before reattaching the wheel and reconnecting the battery.
next to the timing belt ?
It is important to have a diagram when making changes to a car. For 2001 Astra Convertible, a diagram can be found in the maintenance book.
get it repaired by a person that knows about how to repair your van
put the key in the ignition turn the key to the second setting on the ignition lock (marked | )while in this position press the key to lock/unlock the car this resets the immobilizer and the central locking
On a 2001 Vauxhall Astra 1.6, the pollen filter is located behind the glove compartment. To access it, you typically need to remove the glove box by unscrewing it and disconnecting any clips. Once the glove box is out, you should see the pollen filter housing, which can be opened to replace the filter.
"http://wiki.answers.com/Q/What_is_causing_the_engine_light_to_constantly_stay_on_in_a_vauxhall_astra_on_2001_plate_but_the_car_is_running_fine"
Disconnect Battery for an hour, reconnect... Done
it is recommended that timing belts on petrol vauxhalls be changed every 40,000 miles