Kyle Busch is testing a late model, but has no plans to race this weekend.
Ferrari boss Maurizio Arrivabene has fueled speculation that the Italian squad may be interested in Valtteri Bottas, not ruling out hiring the Finn in the future.
Force India boss Vijay Mallya says his team's main priority for the upcoming races will be to stay in touch with its Formula 1 rivals.
Anthony Davidson says Kazuki Nakajima should not rush his return to action after his back-breaking accident during the WEC round at Spa last week.
Vettel: Catching Mercedes will take time
Kyle Busch returns to the cockpit of a race car
Ambrose admits pre-Sandown comeback unlikely
Hulkenberg says future is still open after WEC debut
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