Jenson Button says it is "sad" that Toyota had left F1, adding that although new teams are arriving they won't be in the same league at the start of their F1 careers.
Ross Brawn has accused other teams of trying to unsettle Jenson Button with offers during the season.
Sir Jackie Stewart believes Jenson Button and Brawn GP should resolve their financial issues and sign a new contract.
Ross Brawn has paid tribute to Rubens Barrichello whose Indian summer in Formula One will continue with Williams next year.
BBC bosses were last night forced to apologise after Jenson Button swore live on air during their F1 broadcast of the Abu Dhabi GP.
Jenson Button believes next year's Championship will yield a backlash from McLaren and Ferrari as the two powerhouses return to the front of the field.
Sebastian Vettel and Mark Webber had a bit of fun taking the mickey out of Jenson Button, starting rumours that wedding plans are on the go.
Sebastian Vettel won the season-ending Abu Dhabi GP ahead of his team-mate Mark Webber and the two Brawn GP drivers.
Jenson Button is looking forward to the celebrations after finishing his World Championship winning season in style with a "bonus" podium finish in the inaugural Abu Dhabi GP.
Although Sir Frank Williams has wished Bruno Senna well, the Williams team boss fears there will be "unimagineably great expectation on his shoulders."
Jenson Button still expects to have fun on Sunday despite suffering bad vibrations that scuppered his bid to be the first man on pole for the Abu Dhabi GP.
Lewis Hamilton will start the inaugural Abu Dhabi GP from pole position after beating the Red Bull and Brawn GP drivers to the coveted grid slot.
Formula One drivers were full of praise for the new Yas Marina circuit following Friday's practice sessions at the season-ending Abu Dhabi Grand Prix.
Ross Brawn has again re-iterated his confidence a resolution will be found with Jenson Button over his contract saga.
Formula One's three previous World Champions have hailed Jenson Button as a worthy winner of this year's title.