Summary
Under the Options Tab, the keyboard shortcuts for "Renewable Until" and "Automatic Ticket Renewal" both use "R".  Each shortcut must be unique.  (see attached screenshot)

--------
David J. Conlon
Manager, Software Release Team (SWRT)
Systems Engineering, Information Services & Technology (IS&T)
Massachusetts Institute of Technology
77 Massachusetts Avenue, Building W92-229B
Cambridge, MA 02139
p. 617.253.5988

Important: IS&T staff will *NEVER* ask you for your password, nor will MIT
send you email requesting your password information. Please ignore any
email messages that claim to require you to provide such information.