Thank you Gator - very helpfulYou can sign up here: FCA Affiliate Rewards
You need to be an employee or member of an affiliated organization. I joined AccessFund.org for $50 but there is also Thread Lightly. The full list of organizations is listed here along with their company codes: https://www.fcausaffiliates.com/content/dam/affiliate-rewards/docs/companylocator.pdf
When you sign up you get a certificate and control number to present to the dealer.