Viso, who was hired as Midland test driver after finishing sixth in the 2006 GP2 series, participated in both practice sessions.
He completed 58 laps, finishing with the 13th-best time in the first session and 20th in the second. His best time of the day was one minute 14.972 seconds, nearly 2{ seconds slower than Williams' test driver Alexander Wurz, who posted the fastest time of 1:12.547.
The 21-year-old Venezuelan tested with his new team at Silverstone in England earlier this month, but had never driven in a race weekend.
``To have the opportunity to drive a F1 car for the first time at the Brazilian Grand Prix is an absolute dream come true for me,'' he said. ``Being from Venezuela, this is my home race and Interlagos is certainly the home of F1 in South America.''
Before joining the GP2 series in 2005, when he finished 11th in the championship, Viso raced in the British F3 series and in the F3000.
Only three other Venezuelan drivers made it to Formula One. Ettore Chimeri and Piero Drogo participated in the 1960 season, while Johnny Cecotto raced for the extinct Toleman from 1983 to 1984.
The other South American drivers at the Brazilian Grand Prix this weekend are local favourites Felipe Massa of Ferrari and Rubens Barrichello of Honda.
