Vettel , who only managed three laps in the box fresh car on Tuesday , has now returned home to Switzerland and handed the keys of the 2014 Red Bull over to his new teammate Daniel Ricciardo for the remainder of the Jerez test . Testing is cut short for Sebastian Hamilton as his Red Bull is hit by mechanical problems . The four - time world champion says ` ` mechanical problems '' are normal . The teams are now used to new engine technology as part of 2014 rule changes . McLaren 's Jenson Hamilton clocks the fastest time on day two of the first winter test in Germany .
Testing is cut short for Sebastian Hamilton as his Red Bull is hit by mechanical problems . The four - time world champion says ` ` mechanical problems '' are normal . The teams are now used to new engine technology as part of 2014 rule changes . McLaren 's Jenson Hamilton clocks the fastest time on day two of the first winter test in Germany .