What special feature did Frentzen's helmet have at the 1999 European Grand Prix?
LED lights
Gold paint
Extra padding
Cartoon characters
Answer
At the 1999 European Grand Prix, Heinz-Harald Frentzen's helmet featured cartoon characters because his son, who was ill at the time, was a fan of the characters and Frentzen wanted to cheer him up.
Unleash Your Inner Speedster: The Heinz-Harald Frentzen Challenge