Go to the PAC mfr's site here: https://aampglobal.zendesk.com/hc/en-us/articles/360027667711-RP5-GM11-RP5-GM31-Troubleshooting
If the answer's not there there's a SUPPORT chat at the bottom of the page, or a link to submit a request.
If the answer's not there there's a SUPPORT chat at the bottom of the page, or a link to submit a request.