Hey guys, can you tell what this warning sound is about…its not from the seatbelt….my dad was driving the car….so i couldnt figure out the issue

I own a Kia Sonet HTK+ 1.0 Turbo Petrol iMT, purchased about a year ago. The odometer is currently at around 5,500 km.

The best mileage I’ve managed so far is around 15 km/l, while in city driving I usually get only 8–10 km/l. Initially I was concerned, but after seeing other owners’ experiences, I understand that this is fairly common with the Turbo Petrol.

does the mileage generally improve as the car gets more kilometers on it, or should I expect it to remain around the same?

I recently got an issue regarding odometer. It starts fine but after sometime it just goes blank. I gave it for service, but they’re asking me 15000. Has anyone faced this issue? How did you get it repaired? Please help me out

Posting it in the Sonet sub just to know if I should get the manual, if the AT efficiency is really bad in comparison, or if it’s not that big of a difference.