put this in carcols col section ( if the custom colors doesnt work, replace jetson color 128 with 3 and forget about the custom color )
255,0,0				# 128 sonic red			red


carcols.dat:

jetson, 128,53, 0,3, 14,102, 1,128


carmods.dat:

jetson, nto_b_l, nto_b_s, nto_b_tw


handling.cfg:


JETSON        1700.0    3900.0   2.6    0.0 0.1 -0.2 75  0.59 0.68 0.52  	4 300.0 40.0 10.0 R P 	6.0   0.45 0 30.0  	0.65 0.10  0.0   0.15 -0.10 0.5  0.1		0.25 0.60 35000 	40282804	0			1  1	19


vehicles.ide:


your fkn id,  jetson,	        jetson,	        car, 		STEED, 	        JETSON, 	null,	        executive, 	4, 	0,	0,		-1, 0.7, 0.7,		0



audio:

jetson                                      0             101    100    0         0.78         1.0          7         1.55992      1           0          10         0           1                 0.0