Derek Warwick, who at times takes the role of F1 race steward, believes the sport's new penalty points system is "working."
This season F1 has introduced a new penalty points system with drivers amassing points for certain infringements. Should any driver net 12 within a 12-month period, he will incur a one-race ban.
After four grands prix, five drivers have already got points on their licences with Jules Bianchi leading the way with four points.
"I think it is working," Warwick told Sky Sports News.
"Maybe at the end of this year we might have to change a few things. Maybe the amount of penalty points for certain incidents - maybe some are too high, some are too...
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