Felipe Nasr believes Jules Bianchi's tragic accident has united the F1 drivers "even more" in their desire to improve safety.
Last month the Frenchman died as a result of the injuries he suffered in last year's Japanese Grand Prix crash.
It was the first death resulting from a race weekend crash since Ayrton Senna was killed at the 1994 San Marino GP.
Nasr told Motorsport.com: "The accident with Bianchi left everybody shaken: the drivers, the category, and the FIA. I think it opened everyone's eyes and made everyone more alert.
"We are always trying to improve F1 in every aspect, and I think the drivers came together even more, since it happened.
"Since the accident a lot of things have changed. The Virtual Safety Car is working, for example.
"Now you can see it at the track for anything, if you have debris or a dangerous situation. The drivers are more aware, they have greater caution when it comes to safety."