During , as well as his racing commitments, Donnelly was the test driver for Lotus Formula One team. But it was during that Donnelly got his first race start when he substituted for Arrows driver Derek Warwick at the 1989 French Grand Prix after Warwick injured his back in a non-competitive karting accident. He impressed in France qualifying 14th compared to his much more experienced team mate Eddie Cheever who started 25th on the grid. Donnelly finished his first F1 race 3 laps down in 12th place and was the last car running to finish while Cheever's experience told and he had a better race finishing only 1 lap down in 7th place.