Take a IMGTool and open the gta3.img, then overwrite it taxi.dff the file from archive, then they are looking for a file from the archive taxi.txd out and overwrite. The taxi.txd files are in subfolder.

carcols.dat:
taxi, 6, 75, 6, 73, 6, 76

default.ide:
150, taxi, taxi, car, TAXI, TAXI, null, taxi, 10, 7, 1f10, 251, 0.7

handling.cfg:
TAXI 1450.0 2.1 5.4 1.6 0.0 0.0 -0.25 75 1.00 0.8 0.52 5 180.0 19.0 F P 9.1 0.60 0 35.0 1.4 0.1 0.2 0.51 20000 0.25 -0.15 0.5 0.0 8002 0 1

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