McLaren had a termination clause in Jenson Button's contract that could have been triggered by the team this year.
Singapore had objected to having its September race back-to-back with neighbouring Malaysia.
Sebastian Vettel is 59 adrift of reigning champion Lewis Hamilton who chalked up his eighth win of the season in Japan on Sunday.
Lewis Hamilton and Nico Rosberg barely featured in television coverage after finishing one-two in Japanese GP.
Lewis Hamilton will surely win many more races in years to come but number 41 will always be special.
McLaren team boss says both Fernando Alonso and Jenson Button will continue to race for the team next season.
The win was the Lewis Hamilton's eighth of the season, with Nico Rosberg anchoring the eighth one-two finish for dominant Mercedes.
Nico Rosberg secured his first pole since Spain in May.
Rain also hit the morning session when Toro Rosso driver Carlos Sainz Jr. had the fastest time.
F1 returns to Suzuka where Marussia driver Jules Bianchi was seriously injured last year in an accident and eventually died.
Speculation about Jenson Button's future reached new heights after last Sunday's Singapore Grand Prix.
Media reports suggested Jenson Button was likely to announce at this weekend's Japanese GP that he would be leaving F1.
A charge sheet said Yogvitam Pravin Dhokia, 27, endangered the 'personal safety of the drivers.'
Sebastian Vettel's win was the German's third this season and the 42nd of his career.
Lewis Hamilton and Nico Rosberg qualified in fifth and sixth respectively.
Red Bull had not topped the timesheets for any Formula One session this season.
Lewis Hamilton, if he wins, will achieve the feat in exactly the same number of races.
A win in Singapore will take Lewis Hamilton's tally to 41 wins from 161 races.
Lewis Hamilton now has a 53-point lead over teammate Nico Rosberg as the latter failed to finish the race.
This was Lewis Hamilton's fourth pole at Monza and 23rd in succession for Mercedes.
Lewis Hamilton, who was quickest in both Friday's sessions, will be gunning for an 11th pole in 12 races.
Williams are third overall, where they finished last season, after scoring only five points and ending up ninth in 2013.
Lewis Hamilton is just two wins away from matching Ayrton Senna's 41 victories.
It was Lewis Hamilton's second victory at the Belgian race -- his previous for McLaren in 2010.
Lewis Hamilton is the first driver since Michael Schumacher in 2001 to claim six consecutive pole positions.
Nico Rosberg's accident forced Mercedes team-mate Lewis Hamilton to stay inside the pits.
Jenson Button said the loss of valuables was less traumatic than the invasion of personal privacy and the possible use of gas.
Kimi Raikkonen was out of contract at the end of 2015 and facing an uncertain future at Ferrari.
The police told Reuters they had no information about the possible use of soporific gas in the air conditioning system
The Sun newspaper reported that valuables worth 300,000 pounds ($465,150.00) were stolen.
Ex-World Champion claims first win at Hungarian as both Mercedes cars fail to reach podium for first time this season.
Hamilton took pole position on Saturday with a lap more than half a second faster than Nico Rosberg.
Lewis Hamilton was refused entry to the Royal Box after turning up in a floral shirt and hat.
Sergio Perez's accident came only three days after drivers attended the funeral of Frenchman Jules Bianchi.
Bianchi was the first driver to die of injuries sustained in an F1 race since Ayrton Senna was killed at the 1994 San Marino GP.
Jules Bianchi's family praised medical staff in Nice and Mie Prefecture for their care over the last nine months.