Rubuta ci gaba don wannan sakin layi - Daga baya, a 2009 Grand Prix na Jamus, Piquet ya fitar da abokin aikinsa a karon farko. Duk da haka, bayan 2009 Hungarian Grand Prix
, har yanzu bai ci maki ba a kakar wasa. A ranar 3 ga watan Agusta 2009 Piquet ya tabbatar da cewa Renault ya watsar da shi. Ya buga da ƙarfi a kan tsohon manajansa kuma shugaban ƙungiyar Flavio Briatore yana kiransa'mai zartarwa' kuma yana tambayar ilimin Briatore na Formula One. Piquet ya kuma ce shugaban Renault ya fi son abokin aikinsa Fernando Alonso. Gwajin gwajin Renault da mai ba da gudummawa Romain Grosjean ya maye gurbin Piquet har zuwa karshen kakar. Tare da wasu direbobi da yawa, an danganta Piquet da tuki tare da Ferrari a matsayin wanda zai maye gurbin Felipe Massa da ya ji rauni, bayan Luca Badoer ya gama na biyu zuwa na karshe a Grand Prix na Turai. Koyaya, Ferrari a maimakon haka ya sanya hannu Giancarlo Fisichella wanda Piquet ya maye gurbinsa a Renault a 2008.