Highlights - Button wins in Turkey (UK users only)
Brawn's Jenson Button coasted to a comfortable sixth win in seven races as he capitalised fully on Sebastian Vettel's first-lap error in Turkey.
The championship leader got past pole-sitter Vettel when the Red Bull ran wide on the exit of Turn Nine and the Englishman dominated from then onwards.
Vettel finished third behind team-mate Mark Webber while Toyota's Jarno Trulli drove solidly to end up fourth.
McLaren's world champion Lewis Hamilton battled hard to finish in 13th.
Williams's Nico Rosberg had his best finish of the season in fifth place, while Ferrari's Felipe Massa, BMW Sauber's Robert Kubica and Toyota's Timo Glock filled the remaining points places down to eighth.
It was my mistake, but Jenson was too quick today, I don't think I would have been able to hold him off
Red Bull's Sebastian Vettel
The crucial moment of the race was Vettel's early error that allowed Button to get past him.
Button then built up a commanding lead of almost 12 seconds before his first pit stop and although Vettel got close to Button after that stop he could not get past the Brawn man.
Vettel's three-stop strategy meant he was light enough to slash Button's lead but it also allowed his Red Bull team-mate Mark Webber to pass him as he went into the pits for a second time on lap 29.
The car was fantastic - Button (UK only)
Button's team-mate Rubens Barrichello had a race to forget as he dropped down 10 places from third to 13th after a clutch problem on the starting grid.
The veteran Brazilian was then embroiled in several battles with the Kers-powered McLarens who used their kinetic energy recovery power boost system to frustrate Barrichello.
Barrichello's day got even worse when he was forced out of the race on lap 48 with a suspected gearbox problem as Brawn suffered their first retirement of the season.
Button's feat of winning six of the season's first seven races has only ever been matched by Formula 1 legends Alberto Ascari, Juan Manuel Fangio, Jim Clark and Michael Schumacher - all of whom went on to win the world title.
It was Button's fourth consecutive Grand Prix win and the last Englishman to win four races in a row was Nigel Mansell in his 1992 championship-winning season.
The 29-year-old increased his lead at the top of the drivers' championship to 26 points - he now has 61 in total and has dropped only four points all season.
"Today the car was the best it's felt all year, it was immense, it just keeps getting better, maybe it suits this track more than others," said Button.
"I don't think the strategy really mattered in this race, we were just really quick.
"The crucial part of the race was getting off the line in second behind Vettel because then I knew I was stopping one or two laps later.
"The start was so important, we were able to take advantage of his mistake and it made it a lot easier, for sure, but the car just felt great in that stint."
Vettel was also happy with his start as he got away cleanly from pole, but the German doubted he would have had the pace to hold off Button for 58 laps.
"It worked out okay at the start but I nearly lost the car in Turns Nine and Ten. It was my mistake, and I nearly did it again on the second lap.
Vettel admits mistake cost him (UK only)
"But I don't think it made a big difference as Jenson was too quick today. I don't think I would have been able to hold him.
"I nearly passed him, there was one chance, but it was just too tricky. I am not happy - but it is a good result for the team. It's getting closer and that's a good thing."
Brawn boss Ross Brawn paid tribute to Button's elegant driving style as the Englishman continued his dream start to the season.
"It was a beautiful drive from Jenson, absolutely perfect. Sebastian's mistake made it absolutely open but Jenson just managed it perfectly. It was a wonderful drive.
"He drives in a certain style that doesn't look hurried or fussy. Even when he's going quick it's very smooth. It's hard to tell when he's pushing, but he is."
Hamilton, who this weekend effectively ruled out his chances of retaining his drivers' title, put in a typically determined effort on a one-stop tyre strategy to finish 13th.
Webber happy race strategy paid off (UK users only)
"I actually thoroughly enjoyed the race considering I started back in 16th. I just pushed and pushed," he said.
"I didn't have anything left and that's why I'm kind of smiling now - I think I fulfilled my driver potential.
"Our biggest problem is that, for example, I was losing nearly 0.5 seconds through Turn Eight. The car feels heavy. I'm trying to get the thing round but it just won't go any faster."