Just push the throttle forward, keeping the nose wheel on the centerline with rudder-pedal steering.

FORBES: Magazine Article

Before landing, the flight crew were not aware the nose wheel steering system was not working, as the hydraulic fluid level was low.

BBC: NEWS | Europe | Isle of Man | Air crew criticised for fire risk

The pilots then use their usual controls to steer with the nose wheel (which in turn steers the TaxiBot) and to brake with the main landing gear.

ECONOMIST: A cheaper, cleaner way for the long taxi to the runway

The German Aerospace Centre has tested this idea in an aircraft using a fuel cell to power two electric motors built into the hub of an aircraft nose wheel.

ECONOMIST: A cheaper, cleaner way for the long taxi to the runway

Look at it from the side to see the angles at their most extreme: the sharp, downward-sloping nose and a low bonnet show off muscular wheel arches and gaping side vents.

FORBES: Ferrari Debuts LaFerrari, Joins McLaren, Porsche In Hybrid Hunt