read the brochure!
it states;
18
Membership and
Cancellation Policy 3, 4, 5
Membership is subject to cancellation by either party at any time
for any reason, upon written notification. The cancellation of a
membership includes the Member, Associates, Extended Family
Members and all other individuals eligible for benefits under the
membership. All benefits will cease when the membership expires
or either party cancels. Should either party cancel, the Member
will receive a prorated refund for the unused portion of his/her
membership term, without any deductions.
found at
https://www.goodsamroadside.com/brochure/index.cfm?id=3080431