Final answer:
The Fleet Manager is the point of contact and liaison between their unit and the LGRV on vehicle matters.
Step-by-step explanation:
The point of contact and liaison between their unit and the LGRV on vehicle matters is typically the Fleet Manager. The Fleet Manager is responsible for coordinating and managing all aspects of the organization's vehicle fleet, including maintenance, repairs, and procurement. They act as the main point of contact between the unit and the LGRV, ensuring effective communication and coordination.