1. Get Emails
Sign up for Zipcar's e-mail list and become a part of their "Car Sharing Program." Membership for this program begins at rates as low as $6 a month, or $60 for the entire year. Members are granted special coupons and driving credits that are not available elsewhere and are alerted of new deals via e-mail.
2. Get the Extra Value Plan
Sign up for Zipcar's Extra Value Plan and take advantage of all that Zipcar can offer. The Extra Value Plan is a prepaid service that allows members to save 10% on Zipcar services that are available in their area.