How do i contact summits service department? Our Service Department is open from 9AM to 5PM EST Monday to Friday. You may also contact us by filling out the contact form on the right. If you require assistance with a SUMMIT product that you or your customers have purchased, you can visit our Service & Support page or contact our Service Department belowHow do i contact summit credit union? If you have specific questions about your account, please log into Online Branch and use the Message feature to send us a secure message. If you have a general question or would like to send feedback, send us an email at MemberService@SummitCreditUnion. com.What are summits hours of operation? 9 am to 9 pm EST Monday through Friday, for help with parts installation or application. Please have all relevant vehicle information ready when you call. Use the Summit Order Line to place an order, get technical assistance, or check on product availability. The Order Line is open 7 days a week.How do i send an e mail to summit financial? E-mail us at [email protected] Email is not secure, please don’t include any sensitive information such as account numbers, user names, or tax numbers in the content of the e-mail. You can send a secure message through your online banking dashboard. Once you log into your account, select the Message tab on the left to get started.