Mazda Cx5 2024 Security System Icon Flashing On Screen. Starting the vehicle with a key that has not been reset is not possible. These lights turn on or flash to notify the user of the system operation status or a system malfunction.

If the engine does not start with the correct key, and the security indicator light remains illuminated or flashing, try the following: These lights turn on or flash to notify the user of the system operation status or a system malfunction.