
The bodies were found in the driver and front passenger seats of the Ford Escape parked at a petrol station on Sukhumvit Soi 105.
The man was later identified as Tatitya Bunnag, 37, a Kanchanaburi resident, and the woman as Prathuang Thong-iand, 52, from Bangkok.
The station staff alerted Bang Na Police Station at 8.30am.
The driver, dressed in a black shirt and jeans, was found in a reclining position while the woman, in a black shirt and trousers, was in the passenger’s seat.
Police have yet to establish the cause of the death.