You can follow Formula 1 testing on BBC Sport live, with track updates, expert analysis, social media reaction, debate, voting, the latest pictures and more from Barcelona.
There will also be daily reports after each session and contributions from the 5 live F1 team from the second test - as well as a special 5 live season preview show coming from Barcelona on March 3.
The 2016 season gets under way on 20 March, with the first race in Melbourne, Australia.
Circuit de Catalunya, Barcelona - 22-25 February - complete
Circuit de Catalunya, Barcelona - 1-4 March - live on Sport website