How do you turn off a vauxhall astra radio?

To turn off a Vauxhall Astra radio, simply press the power button located on the unit, which is typically marked with a circle or 'PWR'. Alternatively, you can turn off the ignition, and the radio will automatically shut off. If the radio is integrated with the vehicle's infotainment system, you can also turn it off by selecting the 'Media' or 'Radio' option and then choosing 'Off' or 'Mute.'