Kia Ceed 1.6 CRDi 2007 - Front Wipers Only Working in Fast Mode

Hello, I have a problem with the front wipers on my Kia Ceed. Namely, when he flips the switch down, nothing happens and the wipers should move once. When I switch up once again, nothing happens, only when I switch to the second stage the wipers move in the fast mode, when I turn them off, they remain in the position they are turned off and only after a while they return to the starting state.
I think this is not a problem with the wiper motor, because then neither mode would work. I am asking for help and tips on what could be the reason for this state. greetings

Relay with burned out contacts.

The freewheel brush may be hanging. Tap the engine in 1st gear, it is also responsible for the return and intermittent work. When it starts after tapping, you need to dismantle the motor and clean the guides of the brush holders and the brushes.

hello I have the same problem if someone has already figured out what it could be