DSC and some other button

[Darshan3010]

My dad owns a 2004 E46 320d sport and I was wondering what that second button is (The one next to dsc) does anyone know?

[Darshan_B]

Collectingbrass said:

I think it's to reset the tyre pressure monitoring system when you fill the tyres or change the wheels.

Oh okay thanks

[Darshan_B]

helix402 said:

RDC reset.

Okay thanks