White 2011 Mazda 3 Sedan 275km

White Mazda 3 sedan. Four-door vehicle. 275000km Currently at 270km still driving it ,highway mostly . Drive smooth Brakes are decent Tire decent Just got a oil change Exhaust just fixed 4parts Engine light on and off faults sensor Driver seat side lock and unlock don’t work. One key Some rust in underbody ,mechanic said the car can still last longer then a year longer if underbody is sprayed. Other then that it’s just the cosmetic Driving smoothly . Test drive insured As is safety just expired