How to remove seat ibiza 2001 door panel as window won't close properly and grinding

need to remove panel and check latch and linkages

It would seem there is nothing else to do other than remove the door panel with the door closed. Removing the seat is likely to be necessary.
Not always possible to remove the door card without damage.

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I do not think your daughter pressing the lock has caused the problem but you never know ? try unlocking it with the key if it hass a external lock ,it it hasnt then you will need to clamber in the back and unbolt the body hasp if this is possible if not you will have to remove the rear panel on the tailgate and open it that way ,its possible that the cables in the rubber shroud have broke at this instance as the tailgate was closed .Difficult to say without a good look and a play so if you cannot get it to open with the key then consult a local mechanic to have a look for you .

Both sides have their own modules. They are behind the panels right beside the middle seats. Remove the back seats (if you have third row seating) Pull the panel (they pop off). Either replace the module or disconnect it and manually open and close the side door.

Check for low coolant or rusty coolant as well as a defective engine coolant thermostat being stuck open and the engine not reaching proper operating temp. You can also have a problem with the door that controls hot and cold air to the cabin, it is called the air temperature control blend door.

Posibly a short in the wiring from a door switch. Try each one with the rest of the doors closed until you find it. You should be able to remove the switches from the door pillars.

get a repair manual by haynes or go online with chilton or mitchell-------librarysec629 has many books

remove the big panel that holds it all together then drill out the pop rivits for the cable and bars ,new cables for this vehicle are about 15 euros as they are sold seperatly ,dealer will want to sell you the complete panel .megapennies

How I fixed the central locking seat ibiza 2001

There is a child lock on it. Open the door and look on the edge of the door, where it mates to the body when the door closes. There's a lever there that is labeled as the child lock. It'll show her which way to switch the lever to allow the door to be opened from inside the car.