Key Takeaways The Security Indicator Light's Role: The security indicator light is crucial to your car's built-in anti-theft system. It's designed to deter potential thieves and protect your vehicle. Understanding the Light's Behavior: The security indicator light behaves differently depending on whether the car's engine is running.. A lit security light indicates a problem in the car's anti-theft immobilizer system. Try a new key or go to a mechanic to get it fixed.
Meaning of Flashing Car and Lock Symbol on Dashboard Subaru 1. Security System Activation The main reason or one of the primary reasons your Subaru could be flashing the car and lock symbol is when the vehicle's security system is activated. The flashing light is an anti-theft measure, deterring potential intruders and discouraging break-ins.. The security indicator light is typically a small, red or amber light on your car's dashboard that resembles a car with a lock, a key, or a padlock symbol. If the light is on or flashing, it indicates that the security system is active and working properly.