S-tronic and quattro
An S3 or RS3 is not serviced like a town A3. We do S-tronic and Haldex on interval, then a traction test — not “when it starts to slip”.
S-tronic oil, Haldex and diffs on the generations that actually need it.
- S-tronic oil
- Haldex and quattro diffs
- Traction test

