孤獨過客
2018-03-25 15:00:44
Mercedes team boss Toto Wolff has been asked about how Hamilton surrendered the lead to Vettel under that virtual safety car.
"We don't know yet. We thought we had enough margin," he tells Jennie Gow.
"It must have been a software bug in the system that caused us to get it wrong.
"We are digging deep now to understand where we had a problem."