take the the car for a test drive, and i mean a test drive! get the car up to normal running temp, then press and check all heating controls so hot inside car, down to cold. then check air con, same again hot/cold. all electrics should work! ? when safe to do this do a hard brake test, feel if car pulls to any side or judders? speed bumps go over those and listen for any knocks,squeaks, rattles, thuds, steering when giving full lock on both sides listen for knocks, thuds, squeaks, also check when cornering if any feed back through steering wheel, door seals as the car is 16yrs old and all rubbers! big one to is the underneath of the car RUST.... just a few things there to help. by the way nice looking jaaaaag.