Simplify the following text for a Grade 9 native English-speaking person.
Original: The French tyre company was unable to produce new tyres with which to replace its seven customer Formula One teams ' unsafe equipment and asked Whiting to install a chicane in Turn 13 of the Indianapolis Motor Speedway instead .
Simplified: Michelin was unable to produce new tyres to replace the seven teams ' unsafe tyres . Michelin asked Whiting to install a chicane in Turn 13 of the Indianapolis Motor Speedway instead .