With an underperforming car and a new team-mate, the World Champion faces a new reality in 2014.
Your essential rundown of all that's different in 2014 - the drivers, venues, cars, rules and points scoring.
Follow the latest from the written press with the best gossip and speculation from the papers.
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Video interviews with all the leading trainers ahead of this week's Cheltenham Festival.
Claire Williams is targeting points at every grand prix this season as Williams look to bounce back from one of the worst years in their history.
Williams have finally unveiled their 2014 car in its definitive colour scheme for the coming season after formally announcing their partnership with Martini.
Two days of testing that have gone exactly to plan? Valtteri Bottas might be unique among F1 drivers to make that assertion in recent weeks.
Williams Chief Technical Officer Pat Symonds says the team's new FW36 car, powered by a Mercedes unit, has 'run like a dream' during pre-season testing.
As Mercedes-powered cars continue to dominate during pre-season testing in Bahrain, Williams Chief Technical Officer Pat Symonds has praised the German manufacturer's new power unit.
Williams have announced a "new multi-year partnership agreement" with Brazilian oil company Petrobras.
Williams have become the first team to reveal a front-on image of a 2014 car and the unusual-looking 'anteater' nose that is poised to become a widespread feature on the new-generation cars.
Felipe Massa's debut behind the wheel of a Williams car will come on the third day of next week's Jerez test, the team have revealed, with Valtteri Bottas given the honour of debuting the new FW36.
The FIA have revealed the driver numbers for the 2014 season with Lewis Hamilton choosing '44' and World Champion Sebastian Vettel to be badged as number '1' having requested '5' for the duration of his career.
Valtteri Bottas is relishing pitting himself against the experience of incoming Williams team-mate Felipe Massa, having achieved his rookie season "goal" of outperforming Pastor Maldonado.
Valtteri Bottas was delighted to pick up his first points in Formula 1 after finishing eighth at the United States Grand Prix.
Valtteri Bottas hopes he can claim the first points-scoring finish of his F1 career after producing a highly-impressive qualifying performance at the United States Grand Prix.
Outgoing Ferrari driver Felipe Massa has been handed a F1 lifeline after signing a deal to join Williams for 2014 as a replacement for Pastor Maldonado.
Valtteri Bottas says he would "really like to continue" with Williams in 2014, but says it is up to the team to decide if they want to retain him.
Williams believe the revised tyres being introduced from this week's Hungarian GP will prove a "positive" for them as the struggling team look to make steps forward over the next phase of the season.
Williams confirmed on Monday that Susie Wolff and Daniel Juncadella will take part in this week's Young Driver Test at Silverstone, while Pastor Maldonado will test Pirelli's new tyres.
Valtteri Bottas says his qualifying performance in Canada gave Williams a motivational boost to the extent that they were a "different team."
Valtteri Bottas admits his out-of-the-blue surge to third on the grid for the Canadian GP will act as a morale boost to the underperforming Williams team - although the young Finn concedes converting it into a similarly strong result in a dry race will be tough.
Valtteri Bottas thinks he has been more than a match for team-mate Pastor Maldonado during the early stages of his rookie season with Williams.
Williams chief engineer Xevi Pujolar admits that there will be no 'Eureka' moment as the team seek to improve upon their poor start to the 2013 season.