Can you disconnect the car battery to reset check engine light on 2006 Volvo xc90?

Yes, you can disconnect the car battery to reset the check engine light on a 2006 Volvo XC90. By removing the negative terminal for about 10-15 minutes, you can clear the engine control unit's memory, which may turn off the light. However, this method won’t fix any underlying issues that triggered the light in the first place, so it's advisable to diagnose and address the root cause. Always ensure you have any necessary radio codes or settings saved before disconnecting the battery.