Sauber F1 Team
Sauber will join Ferrari in unveiling their 2015 car during an online launch on Friday.
The C34 will be shown to the world via the Internet on Friday morning at 10am CET (GMT+1)
"The preparations for the first test of the 2015 season are in full swing," Sauber said in a statement.
"From the 1st February on the roll-out of the new Sauber C34-Ferrari will take place in Jerez de la Frontera.
"On days one and four Marcus Ericsson will test the new car while Felipe Nasr will be behind the wheel on days two and three."
