**Updated appeal, published 1.30pm, Tuesday 14 August** Correction, Adam is now 20 years old.
Officers appealing for help to trace missing 20-year-old Adam Seaton are asking drivers who used a Southport car park to study dashcam footage.
Adam is believed to have gone missing from his home address in Melrose Avenue on Thursday 9 August.
He is described as a white male, 6ft 2in tall, of slim build with brown hair, pale complexion and brown eyes.
When last seen he was wearing a burgundy tracksuit top with ‘France’ embossed on the arm, black and white T-shirt, blue jeans and burgundy Puma trainers.
Adam is known to frequent the Churchtown area of Southport.
Merseyside Police Inspector Allan Pennington said: “We are appealing directly to any drivers who used the car park at the junction of Marshside Road and Marine Drive in Southport between 12.25pm and 6.10pm on Thursday 9 August.
“If you used that car park and have dashcam footage, we would ask that you check for a red Ford Fiesta car with the registration MK59 GHA. If you do not have a dashcam but believe you may have seen this vehicle we would also be very keen to hear from you.”
Anyone who has seen Adam or knows of his whereabouts is asked to DM @MerPolCC, call 101 or contact Missing People on 116 000.