If possible (is very hard i guess), in first person view the mirrors of the car reflect the parts of the car like in real life. I mean: the outside mirrors reflect the quarter panels of the car and the inside mirror reflects the inside of the car (back seats, headliner, rear windshield and spoiler if it has one) of course this should be made for every car so it doesn’t look the same and modifying the outside of the car should be visible from the mirrors (colour change, widebody kits, spoiler, hardtop or soft top on convertible cars and of course if the top is off on a convertible car as well).
Thank you.