Sebastian Vettel's running on day two of the first test at Jerez has been ended prematurely by🌌 an energy store issue.

Vettel had completed just eight laps on Wednesday whe▨n his car was pictured smoking in the Red Bull garage, and the team confirmed that Renault wanted to inve🐭stigate a problem with the energy store in order to try and get the car ready for Thursday's running.

It ends a tough two days for Vettel, who completed jus🦩t three laps on Tuesday after Red Bull failed to get its new RB10 on track before 4pm. The reigning world champion managed a total of just 11 laps over the first two days, with Daniel Ricciardo scheduled to drive on Thursday and Friday.

Red Bull's sister team - Toro Rosso - also failed to emerged before 3pm on Wednesday w🦋ith a power unit issue.