your vehcile is beautiful and here are few tips for u to keep ur car the way it looks TODAY:
DO NOT oversize the TIRES or RIMS.. use the size reccoemended by the manufacturer ONLY and ONLY use rims that came with the car.
Wash the Car yourself or in ur direct supervision. improper washing and drying causes scratches .. drivers and services stations are the ones to Blame.
be careful while going over bumps.. hitting the bottom of the car on bumps is as bad as a car accident.
Get the car serviced from a Proper Toyota dealer at manufacturer reccomended intervals.
Keep the car out of sunlight as much as possible,