GM Customer Sales & Service Retention Thank you for visiting the CSSR web site. Through this web site you can accomplish the following: 1. Complete the GM Data Share Opt-in Process (if you have not already done so, proceed to Step 1 below) 2. Enroll in CSSR CSSR Overview: What is the CSSR Program: . Provides a "Core" CRM Program for your owners . Best-in-class practices - tailored to your needs . A multi-channel approach for you to communicates to your customers in a regimented fashion from the time they take ownership of a new vehicle until they purchase their next vehicle . Email, Direct Mail, and/or Telephone all available . Based on customer preference and response analysis . Utilizing an extensive array of GM Data (Sales History, Sales Modeling, OnStar OVD when available, Demographic, etc.) and your Dealership Management System to determine when to communicate service and sales messages to customers Step 1 & 2 Check your status and/or complete: 1. Data Share Participation Agreement 2. Data Share Access Information Form If you have already signed a Participation Agreement, please note that the Agreement has been amended. You may review the changes by clicking here. Step 3 3. Complete the CSSR Enrollment Process. If you have already registered, select "Login". First time users select "Register"