Jenson Button is poised to call an end to his esteemed Formula 1 career after 16 seasons, with an official announcement expected ahead of this weekend's Japanese Grand Prix.

The 2009 F1 champion's future has been a central part to the driver market and it is rumoured that he will decide to leave the sport on his own terms after just one season driving for the new McLaren Honda partnership.

According to report in the Telegraph, it is believed Button would prefer to make the announcement at his 'second home race' in Japan and allowed to make the decision to retire rather than be forced out.

Button has endured a difficult season with an underwhelming and unreliable Honda power unit which has struggled to live up to expectations. The Briton has finished in the points just twice all year, in Monaco and Hungary, while failing to reach the chequered flag in six races.

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If Button is to call time on his F1 career, it opens the door for one of McLaren's reserve drivers Kevin Magnussen or Stoffel Vandoorne to take Button's place for 2016 alongside Fernando Alonso.