Removing the HU650 and HU850 head unit from facelift Volvo 2005-up.
For Geartronic transmission put the key in POSII (engine off), press the brakes and move the shifter to the manual shifting position, then disconnect the car battery
For Aisin 5 speed transmission put the key in POSII (engine off), move the shifter to gear 2 and disconnect the car battery
If you want to remove the shifter knob    • Volvo S60 V70  Leather Shift Knob rem...