Hi and welcome
If you're new to the 169 Panda, I'd recommend checking the following:
Inspect & treat for rust:
- rear axle spring pans
- rear sills (access to treat rust via rubber bung in rear wheel arch and base of b-pillar)
- rear bump stop turrets - prise off bump stop and inject rust treatment through hole
- coolant return pipe across front of engine
- engine sump pan
- mud trap behind front springs
- brakes (build-up of rust on sliding surfaces of front calipers & inside of rear drums)
- shock absorbers & springs
- exhaust bracket below cat
Check the 'duckbill' scuttle drains below the wipers are clear - they block easily. Check the condition of the wiring loom in this area - the loom tape disintegrates.
Clean battery earth strap connections (battery negative terminal and on body under battery) - weak earth can cause all sorts of issues, especially in winter months.
Monitor tyre wear.
Other than that, they're great little cars, tough, capable and reliable. I hope you enjoy it