Making a booking
Questions before booking
Car Rental Protection
Extras & add-ons for your SIXT car rental
Booking & changes
Payment methods, deposits & approvals
Picking up your rental car
Pick-up requirements
Things to know
During your SIXT rental
Rules during rental
Driving across borders
Returning a vehicle
Documentation after Return
Vehicle check
Changes upon return
Reminder
Post return
Lost & Found
Billing
SIXT Rewards program
Partner programs
Rewards program
Roadside Assistance
During emergencies
Our fleet
Our fleet
Account & profile
Manage account
Account
Customers with Disabilities
Questions before booking: Renting a Car with Special Requirements
Accommodations for Customers with Disabilities
Electric cars FAQ's
Tesla rental FAQs
SIXT Charge
SIXT Charge FAQ
Service & Help
Service and help

What should I do if I’ve lost my rental car key?

Please report the loss immediately to our SIXT Roadside Team at +1 888 749-8543. Our team will assist you quickly and reliably to ensure you can continue using your vehicle safely.