Immobilizer system
The Subaru Solterra is equipped with advanced key technology featuring integrated transponder chips that communicate with the vehicle’s onboard system, ensuring that the EV system can only be started with a properly registered key. This significantly enhances protection against unauthorized use.
Always take your keys with you and never leave them inside the Subaru Solterra when exiting the vehicle, as this may increase the risk of theft.
While the immobilizer system in the Subaru Solterra provides a high level of theft prevention, it is important to understand that no system can guarantee complete protection against all forms of vehicle theft.
Operating the system
When the power switch is turned to the OFF position, the indicator light begins to flash, signaling that the immobilizer system in the Subaru Solterra is actively engaged and protecting the vehicle.
Once the power switch is moved to ACC or ON, the indicator light will turn off, indicating that the system has been successfully deactivated and normal operation is permitted.

■ System maintenance
The immobilizer system installed in the Subaru Solterra is designed to be completely maintenance-free, requiring no regular servicing or adjustment from the owner.
■ Conditions that may cause the system to malfunction
- If the key grip is in direct contact with metallic objects, signal interference may occur.
- If the key is positioned too close to another vehicle’s security key or transponder system, communication disruptions may affect performance.
NOTICE
■ To ensure the system operates correctly
Do not attempt to alter, modify, or remove any components of the immobilizer system in your Subaru Solterra.
Unauthorized changes may result in malfunction or complete failure of the system, reducing vehicle security.
Test yourself
A quick Subaru Solterra quiz: every answer comes with an explanation and a link to the manual page.