This year, the drivers will be securely strapped into their driving seats prior to the start of the race.
10 seconds sound clip from the Le Mans (1971) movie soundboard.
You can hear this line at 00:17:33 in the Blu-ray version of the movie.
Quote context
[...]
- His blood type must be indicated on either suit or crash helmet.
- No one may drive more than four consecutive hours.
- For the first time in the history of this race...
- Yellow means danger. No overtaking.
- The race will start 4 pm. Saturday and finish 4 pm. Sunday.
- The car covering the greatest distance in 24 hours shall be the winner.
- In the case of the faster cars, this will mean a distance in excess of 3,000 miles.
[...]