Volvo Troubleshooting Questions? Ask a Mechanic for Answers ASAP
Do you see any messages on dash ? Does it crank at all ? You try other key ?
Try this also You can disconnect battery take plus and minus cables off the battery . Than take plus and minus cable ends and tape them together so they touch each other for 30 min this process will make hard reset to car computers and can bring car system modules online and normal function .