Will using a non franchised garage for servicing invalidate my warranty?

My car is 18 months old and still under warranty. Its service is due and I'm booked in to my local mechanic (not the Volkswagen franchise) because he's £83 cheaper. He will use genuine Volkswagen parts,...

Has Audi changed the timing belt renewal interval?

Has Audi changed the timing belt renewal period for 2018 A4 1.4 TFSI?

Do VWs have electric water pumps?

Do some VW cars have electronic water pumps? And do they get changed when the timing belt is renewed?

I have just bought a 2018 SEAT Leon - do I need to change anything like the cambelt?

I have purchased a 68 plate SEAT Leon ST 2.0 TSI. It has had 1 owner and has covered 41k miles. Is there any vital maintainance that needs carrying out straight away or in the next year/10k miles in terms...