The CSI finds what "looks like a transmitter" in the car and conclude that it was used to trigger the hydraulics. However, that would have required what "looks like a receiver".
Aviation fuel which is kerosene Will not burn in a cars gasoline powered engine. It will produce massive amounts of exhaust smoke before engine failure.
When Dexter Gilman is doing a "Jack-in-the-box", you can clearly hear the car gear shifting.
Though a Jack-in-the-box is driving a car "pedal-free, cruise control, feet on the wheel, head out the top".