Gta Online - Location of Coquette at Tongva Hills / Vehicle Cargo Car Location #2 - YouTube
You can get behind the waterfall at Two Hoots Falls in Tongva Valley : r/GrandTheftAutoV
GTA Online: All Treasure Hunt Locations Guides | Gamesual
Guide for Vehicle Cargo Imports : r/gtaonline
So the tunnel from the ls car meet to the underground test track is rather long, the actual test track appears to be in the hills near zancudo. : r/gtaonline