114 years of SIXT. 114 years of tradition.

What should I do if I’ve used the wrong fuel or had an operating problem?

Breakdowns and roadside assistance

No need to worry — just pull over somewhere safe and call SIXT Roadside Assistance. We'll help you out or arrange whatever support you need. If you suspect you've put the wrong fuel in the vehicle, please don't start the engine under any circumstances.

Call SIXT Roadside Assistance

  • +44 344 499 3399 (24/7) and follow the instructions provided

Wrong fuel

  • Do not start the engine — not even briefly

  • Just call SIXT Roadside Assistance and we'll arrange recovery and a fuel drain for you

Empty tank

  • Pull over somewhere safe and switch on your hazard lights

  • Call SIXT Roadside Assistance — please don't walk to a petrol station on a motorway or along unsafe roads

Fuel cap, charging port, or other features

  • First, take a look at the handbook in the glove box — most questions are answered there

  • If that doesn't help, just give us a call — we'll walk you through it step by step

Still need help? Find our contact options below – please have your rental agreement number ready.

Still need help?
Contact our support team.