Power of attorney for car sale

Dears,

One of my friend from Pakistan who was residing in Saudi Arabia. Now got settled in Pakistan due to some personal reasons. He has one Car in his name which he wants to sell in Saudi Arabia. So we need a format for Power of attorney to sell a car.

Kindly provide a Power of attorney format to sell a Car as per Saudi Arabian law/Embassy.

Regards,
Mohammed Khalandar.

How he went on final exit without selling his car?? if he has car on his name, he can not go on final exit.