ords

This is of interest to me, why are you asking if it's DSG?

There are quite a few threads on this subject.

I'd be asking how they knew about the other keys which weren't with the car.

Mines done 60,000 with no problems at all. Had the software and oil recall done, that's all.

You could try disconnecting the battery for a while and see if anything resets its self when reconnected.

Why are you worried?

You beat me to it. I've been watching a lot of those videos lately.

You need vcd's. Start/stop maybe working because the battery has enough charge in it at the moment.

Without re-coding, the system will assume it still has the old battery and keep the same charging characteristics. It should learn over time that there is a new battery, but in the meantime who knows what faults that could throw up. It's just one thing less to worry about.

Make sure they haven't forgotten to re-code the new battery.

Get it scanned for fault codes. Could be something as simple as a fuse or relay.

If it ain't broke don't fix it. You don't usually get a sudden, total failure of the pump. You'll probably start to notice a slight water loss or the heating not working properly. Then's the time to investigate. No guarantee that if you replace the pump it won't fail in a short time. One think you should check is if the water expansion tank has the wording "mit silikat" stamped on it. If it has, the silica bag inside the tank is prone to rupture and the contents will block your heater matrix which would need repacing. Many people have removed the bag and then change the water every 4 or 5 years. Quite a few threads on this subject.

https://vwts.ru/skoda/octavia3/skoda-octavia-3-body-repairs-interior-eng.pdf

My light never comes on.

Which unit do you have & software version?

Would the screens have component protection?

Running fine or not, it will fail the MOT if the light is on.

Many threads such as this one.

Breakers yard

Yes. It's live all the time.

This is Mk3 forum

Mines been faultless, but then you'll get other owners who've had problems. Difficult question to answer.

Many threads on this subject, with all engine types, but there doesn't seem to be any definite answer.