It is believed Michael may be in the Gargrave area. He drives a black Mercedes-Benz C-Class car, registration number YG63 KSJ, which has also been spotted in the Kirby Lonsdale area of Cumbria.
Michael Graeme Watson, aged 41, has not been seen since 3pm on Monday 7 September 2015 when he left his work at the local Mercedes-Benz garage.
Michael is described as white, 5ft 11in tall, medium build and has green eyes and wears glasses.
He was last seen wearing a plain white dress shirt, black trousers, Chelsea boots and a Mercedes-branded, waist-length, dark-coloured outer coat.
If anyone has spotted a man matching Michael’s description or his black Mercedes C class car, please contact North Yorkshire Police as a matter of urgency. Dial 101, select option 1, and speak to the Force Control Room. Please quote reference number 12150158805.