Most SIXT share issues — from a missing vehicle to a car that won't open or lock — can be resolved in seconds through the SIXT app. Here's exactly what to do for each situation.
I can't find the vehicle
Use the "Find Vehicle" function in the SIXT app to see the car's location on a map or flash its turn signals. If the vehicle still isn't visible, contact our customer service. You can also reserve another available vehicle nearby.
How do I open and close the vehicle?
- Start of rental: Tap "Open" in the "Share" tab of the SIXT app to unlock the car.
- During the rental (stopovers): Use the physical key — found in the glove compartment or center console — to lock and unlock the vehicle.
- End of rental: Return the key to its storage spot, then lock the car through the app.
The vehicle won't open
Check the following before contacting us:
- Make sure mobile data is turned on and you are not connected to a Wi-Fi network.
- Turn on Bluetooth — it speeds up the connection to the vehicle.
If the car still won't open after these steps, contact our customer service.
The vehicle won't lock
- Confirm your internet connection is stable and Bluetooth is enabled.
- If the car still won't lock, use the physical key from the glove compartment to secure it manually.
- Contact our customer service to report the issue.
I can't start the engine after a stopover
If the engine has been off for at least 10 minutes, the SIXT app will ask you to re-enter your PIN for security. Enter your PIN in the "Share" tab to release the immobilizer and continue your trip.
If no PIN prompt appears, switch to the "Rent" tab and then back to the "Share" tab to refresh it. Still no prompt? Contact our customer service.
The vehicle is dirty — how do I report it?
You can report a dirty vehicle directly through the SIXT app without delaying your trip:
- During an active reservation or rental, tap "Report Problem" in the SIXT app.
- Select "Vehicle Condition."
- Choose whether the vehicle is dirty inside, outside, or both, using the on-screen icons.
- Upload photos if you'd like to document the condition.
- Tap "Submit" — our team will follow up as soon as possible.
You can start or continue your rental straight away after submitting the report.
Still need help? Find our contact options below.