Kiwi driver determined to make necessary improvements after "difficult day" to start latest WRC event.
Nico Rosberg, aiming to reclaim F1 lead at German GP, got his weekend off to a strong start.
Brazilian police investigate if kidnapping of F1 mogul's mother-in-law was work of a European mastermind.
Nico Rosberg races to re-take the drivers' championship lead in his home grand prix, at Hockenheim.
Formula One delays cockpit-protection device, despite two recent motor racing deaths.