Vettel has been released from his role as a test driver for BMW Sauber.
The 22-year-old Mexican who currently races for the Sauber team will partner Jenson Button from 2013.
Kaiser was a shareholder in what was then the Red Bull Sauber Formula 1 team.
The Englishman was demoted to third place behind Ferrari's Felipe Massa and BMW Sauber's Nick Heidfeld.
The Canadian finished 16th and a massive 1.4secs slower than Sauber team-mate Felipe Massa.
So we asked our friends at the Sauber F1 Team to help us out.
Sauber have re-signed Japanese driver Kamui Kobayashi for 2011 but have not yet announced their second driver.
BBC: Jerome D'Ambrosio & Esteban Gutierrez win F1 test roles
Toro Rosso's Sebastien Buemi claimed sixth ahead of Williams' Nico Rosberg, with BMW Sauber's Robert Kubica eighth.
CNN: Barrichello wins pole as Button blows it in rain-lashed Brazil
Willy Rampf, BMW Sauber's technical director, said the Melbourne circuit was expected to complicate the situation further.
Sebastian Vettel's Red Bull and Robert Kubica's BMW Sauber suffered engine problems on day one in Monte Carlo.
Sauber have also enhanced their line-up by signing Mexican Esteban Gutierrez as their test and reserve driver for 2011.
BBC: Jerome D'Ambrosio & Esteban Gutierrez win F1 test roles
Cerraron el marcador Giancarlo Fisichella (Renault), Ralf Schumacher (Toyota) y Jacques Villeneuve (Sauber).
His departure will prove costly for Sauber, which has brought in Nico Hulkenberg from Force India as a replacement.
The highlight for the Briton was a stunning move on the outside of Sauber's Jacques Villeneuve on lap 24.
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Lotus' Kimi Raikkonen and Sauber driver Kamui Kobayashi complete the top ten line up, finishing seventh and eighth respectively.
Kamui Kobayashi of Sauber and Vitaly Petrov for Renault rounded out the point-scoring.
However, Domenicali was delighted they now had a 17-point lead over BMW Sauber in the race for the constructors' championship.
BMW-Sauber team boss Mario Theissen said it was important not to "destroy" the mix of manufacturer teams and independent teams.
Germans Nick Heidfeld of BMW Sauber and Nico Rosberg of Williams were seventh and eighth in the final points positions.
The yellow safety flags came out after a collision between Red Bull's Sebastian Vettel and Robert Kubica in his BMW Sauber.
Gutierrez will also take part in those tests behind the wheel of the Sauber after signing as reserve driver for 2011.
BBC: Jerome D'Ambrosio & Esteban Gutierrez win F1 test roles
The McLaren driver clocked one minute 17.886 seconds to better Robert Kubica's mark for BMW Sauber by more than half a second.
They were both bumped up the grid after 16th-placed Esteban Gutierrez of Sauber was dropped three spots for impeding Raikkonen during Q1.
But BMW Sauber hit upon a way to make the leaps forward that other midfield teams have been unable to match.
Like all the teams, the Sauber F1 Team heavily relies upon data analytics to constantly innovate its car design and racing strategies.
The Sauber F1 Team brings this complete data center to each race.
Klien, 27, has raced in F1 for both Jaguar and Red Bull and has been a test driver for Honda and BMW Sauber.
Faure also denied that Renault had had to pay Sauber to release Fisichella, who was under contract to the Swiss team for 2005.
But Renault's sixth-placed Alonso followed by Sebastian Vettel and BMW Sauber's Nick Heidfeld will all be expected to push hard from the start.
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