Driverless vehicle solutions?

I am being tasked with converting several used pick-ups and SUVs to having a driverless option. In other words, they need to be able to be driven either by a person or remotely by radio frequency control (& GPS) up to 10 miles radius. The vehicles will not be driven by remote in any public area, but rather in controlled off-road, back country settings only. From reviewing the Roboteq site, it appears you can provide me with solutions along these lines. True?

We provide the main component which is a controller capable of driving a DC motor in servo configuration. Typically two controllers are used (steering / braking / throttle / gear). We also provide at our web site the names of system houses (solution partners) who can assist you should you require a complete design.