machan n16 eke wahina welawata athulen fog wena ekata obanna ona buttons tika kiyapanko
(im a noob when it's comes to cars 
)
Glass eke athula pitata wada warm nam athulen fog wenawa.
Glass eke pita athulata wada warm nam pitin fog wenawa.
So, athule fog eka yawanna manual AC nam cold wata dala thiyanna. ikmanata athule fog eka yawanna nam AC eka windshield ekata direct karanna (AC controller eke thiyenne windshield ekaka pic ekak)
godak wela thiyanna epa athule fog eka clear wunama aapahu AC eka passengers lata redirect karala thiyaganna, nathnam pitin fog wenna patan gannawa.
Heater eka dala eka widshield ekata direct karalath puluwan but ethakota side windows fog wenawa wadiyi.
rear glass ekata nam defogger eka thiyanawane.