A crashed data server meant the Drag Reduction System (DRS) was not activated until the 19th lap of the Abu Dhabi Grand Prix.
Drivers are only allowed to use the overtaking aid - a small flap on the rear wing - at certain points on the track when within one second of a car in front. It is usually activated at the start of the third lap.
On this occasion, the opening segment of the grand prix went by without it, significantly limiting overtakes at what is already a circuit where those come at a premium.
When asked after the race about being without DRS for so long, Renault's Daniel Ricciardo said: "That made it even more boring.