All Sonic locations were set up using the Sonic PartnerNet email addresses.
For example Sonic store # 9999 would have the following PartnerNet email account email@example.com. You MUST have access to your Partnernet email in order to receive your login password.
To receive your password, enter your ParnterNet email on this page: https://store.hagarparts.com/reask.htm?resulturl=account.htm
After submitting, check your your PartnerNet email for the password. Then on our login screen, enter your email address as your username and the password you received. Once logged in, you can access Sonic special pricing and your account history.