Hartley: Red Bull was too much

Brendon Hartley, former reserve driver of the teams of Formula 1 Red Bull et Toro Rosso, was replaced in this position by Jaime Alguersuari. The New Zealander recognizes that with his participation in the Formula Renault 3.5 and at the Formula 3 Euro Series, this reserve driver function was too much. ?I really enjoyed this role but I haven?t had good results this year, so I need to concentrate on my races. »