The Brawn GP owner, whose team tops both the drivers' and constructors' standings with two wins from two races, told reporters at the Malaysian Grand Prix that his rivals' difficulties were a direct result of last year's title battle.
Formula One world champion Lewis Hamilton kept McLaren on top for a third straight practice session at the Hungarian Grand Prix Saturday.
However, McLaren's David Coulthard warned Button not to be under any illusions.
The victory at Suzuka was the Dutch driver's 13th in 16 races this season and left him on the brink of a third world title.
Honda will return to Formula One in 2015 as McLaren engine partners, replacing Mercedes, sources close to the company said on Wednesday.
"The reality check is a race weekend so there is nowhere to hide from that," said the Scot.
Carlos Sainz lapped Monza's "Temple of Speed" with a fastest time of one minute 20.294 seconds, 0.013 quicker than Max Verstappen's final flying lap.
New McLaren driver Sergio Perez set the fastest lap on the second day of Formula One testing at Barcelona's Circuit de Catalunya on Wednesday.
Formula One driver Jenson Button had reportedly signed a deal with McLaren for one more year, months ago, and the announcement is set to be made soon.
Felipe Massa was leading the 2008 Singapore Grand Prix when fellow-Brazilian Nelson Piquet Jr. deliberately crashed his Renault into the wall on lap 14.
Max Verstappen took his fifth pole position in a row at the British Grand Prix.
Red Bull's triple World champion Max Verstappen wrapped up a year of unprecedented dominance with his record-extending 19th win in 22 races at the season-ending Abu Dhabi Grand Prix on Sunday.
McLaren boss Ron Dennis said on Tuesday he had decided to stay at the helm of the Formula One team, ending media speculation that he was about to stand down.
Max Verstappen celebrated a record 10th win in a row by leading Red Bull team mate Sergio Perez one-two at Ferrari's home Italian Grand Prix
Red Bull's Max Verstappen sang "Viva Las Vegas" after racing to a record-extending 18th victory of the season and joining Sebastian Vettel in third place on Formula One's all-time winners' list.
Max Verstappen put Red Bull on pole position for his home Dutch Grand Prix at Zandvoort for the third year in a row
Formula One championship leader Lewis Hamilton says he would have even driven for free for the team this year.
World champion Jenson Button calmly steered his way through the chaos of a wet Chinese Grand Prix for his second win of the season on Sunday, leading Lewis Hamilton to a McLaren one-two.
Ferrari and McLaren take battle off the track with their new super cars.
Formula One served up a thriller in China at the weekend but the lack of fans indicated the sport must do more to sell itself to new audiences, according to McLaren boss Martin Whitmarsh.
Force India Formula One team boss Vijay Mallya feels beating McLaren for fifth spot in the team standings will be a 'big task' in the remaining four races of the season.
The IBA has also welcomed the presence of an IOC monitoring group, which would "see first-hand IBA's best practices regarding technical and competitions rules, specifically its heralded bout review process," the federation said.
Seven-times World champion Lewis Hamilton, Formula One's most successful driver of all time, will race for Ferrari from 2025.
Red Bull suffered a second trophy malfunction in a week on Sunday after the one handed to the winning constructor at the Belgian Grand Prix was broken after a celebratory team photograph.
Force India's Paul di Resta's race ended prematurely due to a collision while Adrian Sutil finished ninth in the Belgian Grand Prix as Sahara Force India lost its fifth place to McLaren in Spa on Sunday.
Serum Institute of India chief Adar Poonawalla will pay 138 million (about Rs 1,444 crore) for a Mayfair mansion in London in one of the city's most expensive home sales of the year
Following's Verstappen's 2021 title win, here's a list of F1 champions over the years...
McLaren ace Jenson Button has claimed he won't win a single race this season with his current car after finishing ninth in the inaugural Australian Grand Prix on Sunday.
Ferrari's Carlos Sainz won the Singapore Grand Prix on Sunday to end Formula One leader Max Verstappen's record run of 10 wins in a row.
Massa, who failed to score after a bungled pitstop, claims the race should have been cancelled because the sport's leaders allegedly knew before the end of the 2008 season what had happened but covered it up.
Max Verstappen will have a five place grid penalty for Sunday's Belgian Grand Prix after a gearbox change.
Verstappen, who started sixth after a five-place grid penalty, extended his championship lead over Perez to 125 points after taking the chequered flag 22.3 seconds ahead of the Mexican.
Can Mercedes' seven-time world champion Lewis Hamilton add to his record tally of 103 victories?
On the sidelines of a promotional event in Mumbai, Hamilton talks to Rediff.com's Bikash Mohapatra about F1, his immediate goal and his future.
It was Hamilton's first pole position since Saudi Arabia in December 2021.
A teary George Russell celebrated the first Formula One Grand Prix victory of his career in Brazil on Sunday in a one-two finish with Mercedes team mate and seven-times world champion Lewis Hamilton.
