Button emerged late, 55 minutes into the 90-minutes session, to produce a commendable lap on the unforgiving Mediterranean street circuit. His McLaren-Honda team-mate Spaniard Fernando Alonso was 11th.
Earlier the Briton had clarified his comments about driving the car at the Circuit de Catalunya where he said his car was so unpredictable it was "scary" to drive.
"I was very outspoken," said the 2009 world champion. "When emotions are running high, you always exaggerate things. It was a tough race for me. It was good to have the test three days later to really put everything right.
"We also had some new parts to test for this season, but especially for here. It was a good test. So, really, end of test, happy and you could see how far we have come since February, as a whole team, but especially Honda and the Japanese side of the team.
"There was so much more confidence within the team."
Two-time world champion and current series leader Briton Lewis Hamilton topped the times in Thursday's opening free practice session for Sunday's classic race.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
