What mode are you shooting in. Auto Mode and other Automated modes (Basic Zone) lockout changes to drive mode.
-Demetrius
Current Gear: EOS 5D Mark IV, EF Trinity, EF 50mm F/1.8 STM, EF 85mm F/1.8 USM, 470EX-AI & 600EX II-RT
Retired Gear: EOS 40D & Sigma 17-50mm F/2.8 EX DC OS HSM
