 Complete the following phrase:  The first rounds of the season proved difficult for Coulthard; In the opening round in Australia, he retired from engine problems, and finished second in Brazil, before being disqualified as the front wing endplates on his car 7mm lower than the required 50mm above the reference plane. Coulthard overcame these setbacks and finished on the podium in the next five races, which included victories in Britain and Monaco. In June, Coulthard signed an extension to his contract, confirming he would remain at McLaren for 2001. A non-points scoring finish in Canada, followed victory in France, a victory which he later described as the most memorable of his career which also happened to be McLarens only ever win at the Magny-Cours circuit. A hat-trick of podiums followed in the next three rounds and secured a fourth-place finish in Belgium. Coulthard was involved in a multi-car collision on the first lap in 