The car was purchased by a celebrity clientele, including comedian Redd Foxx, Freddy Mercury, and Elizabeth Taylor.

Final work and start-up was carried out at Michael Walkers, Woking, including test drives around the local country roads.

[3] On 26 May 1976, Robert Jankel wrote to the Office of Compliance, National Highway Traffic Safety Administration in the US to comply with Part 578 of the Defect Report procedure.

Six vehicles had a defect with the fuel tank which, in the event of a crash, was at risk of being pierced by the rear body mounting bolts.

Panther Westwinds Ltd notified the dealers and the first purchasers of the defect and told them what modifications were needed to fix the problem.