Use ammonia-free products on tinted windows. Harsh chemicals eat away at the tint. you may use mild soap on soft clean towel or a soft sponge
Do not use rough paper towels or abrasive sponges, these can leave scratches on the tinted windows.
Clean and dry one window at a time so that the soap does not dry on the glass.
Wipe the window dry with top to downward motion in order to avoid water spots and streaking.