If your Chrysler 300 has been in a accident or if it just doesn’t work right, you may need to reset its Bluetooth. This is a simple process that can fix many problems on your car. To reset Bluetooth, open the car’s door and remove the battery. Then insert the new battery and reinstall the door. Close the car and wait for it to restart. When it does, press and hold down the power button for about 10 seconds to turn off Bluetooth. Then release the button and press and hold down the reset button for about 10 seconds to turn on Bluetooth again. Now try to start your car by pressing the power button again. If everything works fine, you may have successfully reset Bluetooth on your Chrysler 300!