Ok after a little research I found this (and pls. correct me if I am wrong).
Trim;
- 171 = Blue interior, vinyl seat covers.
Paint;
- EC = Midnight Blue bottom, Artic White top.
Group 1;
- E = Tinted windows (all).
- X = Power windows (except vents.)
- G = Power window tail gate.
- F = 4-way power seat (bench).
- O = ???
Group 2;
- K = Air conditioning.
- X = ???
- P = Back up lights.
- R = Rear seat speakers ???
Group 3;
- V = ???
Group 4;
- F = Remote mirror.
Group 5;
- K = Door guard moldings.

- W = Seat belts with retractors.