You can cancel and get a refund.
From their brochure;
15
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 primary member and all 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.