How do you disable a stock car alarm on an 04 Mazda RX-8?

To disable the stock car alarm on a 2004 Mazda RX-8, you can try using the key fob to unlock the doors, as this typically disarms the alarm. If that doesn't work, you can manually unlock the driver's door with the key. If the alarm still activates, disconnecting the battery for a few minutes can reset the system. Always refer to the owner's manual for specific instructions related to your vehicle.