With the tailgate open, the breath-taking beauty of snowbound Afghanistan unfolded beneath us, the landscape stark, brittle and largely empty.

BBC: Afghanistan's security prospects after Nato withdrawal

Opening the tailgate with its integrated rear light cluster reveals supplementary lights to warn approaching vehicles of the open tailgate.

ENGADGET: Mercedes-Benz GLA concept puts laser projectors in headlights, redefines SUV

You can open the bed and the back of the cabin creating a huge open space stretching from the tailgate to the front seats.

CNN: Chevy Avalanche: Big truck for the real world