Still in warranty?
Dealer is cheap enough and doing it yourself makes the warranty questionable and reduces the value of your car...
So what makes an "inspection" service? Is it a case that they do an oil service and just look at the car to see if everything is ok for the waranty?
I don't think it's a case of getting it serviced anywhere to ensure the warranty is uphelp. You can certainly have it serviced away from main dealer but there are specific guidelines to follow. I don't know the specifics but maybe seat UK website can help?
I got my cars 2nd service at a "independent garage" and a week later my car went into limp mode after having Misfires all week above 2k revs and called seat assist and they said because i didn't have it serviced at a seat garage it was now void
A major service as i was at 38k miles but while i was on the phone to seat assist they said "we cant help you but if your part of the AA we can as is the same company" luckily i have tht with my bank and found the garage had ripped my coil to which the garaged denied so much for customer care... but they offered to order 1 for me at my expense
You can take a car anywhere now and dealers cannot by law get out of any warranty claims if valid.
As long as your Indy uses seat or OEM parts / fluids with valid receipts and part numbers then its all valid so any warranty work had to be done by the dealer.
Future buyers of the car should not be put off as the right parts have been used and its the law now that dealers have to be more open around servicing and avoid lock in.