Soon to be owner reporting in~!

Variant: 1.5 SE
Transmission: Auto
Colour: Ivory White
Variant: Multimedia

Going to collect my car in few day as now a bit busy, didnt have time to go back to dealer.
i was still noob
thinking to do some change like rims and headlamp. i like to use white color headlamp but dunno what and how to do. some more, dunwant to break the JPJ rules, no money to pay summon. any suggestion?

and also wanna know, what kind of modification that maybe can void the car warranty?