Why does car not start after replacing battery and the hazard lights stay on? on 1998 Volvo S70

The car has been sitting still for six months. All dashboard lights come on when the ignition switch is turned on.

Asked by for the 1998 Volvo S70
1 answer 1 comment
alarm system is activated. you need to disarm the system.

I'll try to disarm the alarm system and get back to you. Thanks.