Multi-turn user requests:
user: I've noticed my car is nearing empty, and I could really use some extra fuel in the tank. Fill it up with enough gas to at least quadriple its current amount. I'm gearing up for a long drive, and I need to make sure I'm set with a full tank before hitting the road.
user: While I'm at it, let's make sure the car's ready for the adventure. Start up the engine for me, and confirm everything is good to go, like the doors being locked and the handbrake engaged.
user: Ensure the doors are locked and the handbrake is engaged.
user: Finally, I'm plotting a trip through San Francisco, specifically aiming for 123 Pine St, San Francisco, CA 94016. Set the GPS for a seamless ride to that location. Anticipating a smooth drive ahead!

Tools involved: VehicleControlAPI
Expected function-call sequence: VehicleControlAPI.displayCarStatus
VehicleControlAPI.fillFuelTank
VehicleControlAPI.startEngine
VehicleControlAPI.get_zipcode_based_on_city
VehicleControlAPI.set_navigation