Brazilian rookie Gabriel Bortoleto vowed to learn from his mistakes and keep fighting after crashing heavily in a Saturday sprint and missing qualifying for his first home Formula One grand prix.

The 21-year-old Sauber driver will start last on Sunday at Interlagos, a long way from where he hoped to be. "I've been used to fighting always at the front in my previous series. And now in Formula One, I don't quite have the car yet, so I need to fight at some point," last year's F2 champion told reporters.

"The whole year I think I've been backing out and not being able to fight. "But I think I need to learn and test things as well because the day that I hopefully will get a car to fight for championships, I cannot make such mistakes."

Bortoleto, whose team will become Audi next year, crashe

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