Continuously pressing the push button start or quickly pressing it any number of times while the engine is running or the vehicle is being driven will turn the engine off immediately. The ignition switches to ACC.
Turning the Engine OffMazda 6 Owners Manual: Rocking the Vehicle
WARNING
Do not spin the wheels at more than 56 km/h (35 mph), and do not allow
anyone to stand behind a wheel when pushing the vehicle: When the vehicle
is stuck, spinning the wheels at high speed is dangerous. The spinning tire could
overheat and explode. This could cause serious injuries.
...
Mazda 6 Owners Manual: How to connect USB port/Auxiliary jack
Connecting a device
1. Open the console lid.
2. Connect the connector on the device to the USB port.
Connecting with a connector cable
1. Open the console lid.
2. Connect the device plug/connector cable to the auxiliary jack/USB port. Pass
the device plug/connector cable through the notch i ...