Max Verstappen has said that he is unfazed by a warning issued by Toro Rosso boss Franz Tost.
According to De Telegraaf, Tost warned recently that Verstappen and teammate Carlos Sainz must be careful in 2016 to not try to over-deliver for their second seasons on the grid.
"They cannot look beyond the limits because they were already at the limit," Tost is quoted as saying.
When asked about Tost's warning, Verstappen told the newspaper: "I disagree with him.
"You just do your best, and in that case it doesn't matter if you're in your first or your last season."
Verstappen, 18, gained a reputation in 2015 as an audacious and confident overtaker, and he vowed to keep fighting just as hard this season.
"One difference," he explained, "is that [in a second season] the others know better about what you can do and perhaps defend even harder.
"On the other hand I now have the advantage of a year of experience in the bag. I'm really looking forward to picking up where I left and giving full throttle."
Verstappen finished 2015's drivers' championship in 12th place.
