If this advice does not work, you will need to perform the Rite of Exorcism. This is often practiced by some dealerships when faced with seemingly supernatural phenomena otherwise known as 'breakdowns'. The methods employed are usually the same but not necessarily performed in any specific order, you could intergrate some of the moves into your own ritual.
Walk around the car a number of times either clockwise or anti-clock wise mumbling specific explicits, followed by opening the front door and pulling the hood/bonnet latch; pressing all interior buttons and toggle switches sometimes helps. Open the hood/bonnet and peer into the enginebay at the motor with hatred burning in your eyes, followed by more chanting of explicits. Jiggle all unknown wires (more explicits),and twist off the washer bowl,
power steering, and radiator overflow reservoir caps and peer inside (more explicits). Kick tires, slam doors and fiddle with the transfer knob, as I do. If the car starts after all this has been done, then the exorcism has been a success. If not, then it can't be possessed, but has some other electrical problem.