A male, driving a blue Colt Sigma filled up with £20.00 of unleaded fuel, and drove away without offering payment. He is described as a white male, 70+, very unsteady, grey hair, overweight, wearing a white shirt and dark trousers.
Police are examining CCTV footage of the incident.
Anyone with any information about the incident is asked to contact Warwickshire police on 101, quoting incident number WK-20190710-0166.
Business Security tips and advice can be found on Warwickshire Police website and Warwickshire Business Watch website.
Information can also be given anonymously to the Independent Charity, Crimestoppers, by calling 0800 555 111 or by visiting their website: www.crimestoppers-uk.org.