wow, same here. I keep trying to change mine to "manual" for both on and off peak, however, it reverts back to default. I don't want my exchange mail syncing when I don't want it to.
I'm running the OTA ICS, unlocked bootloader and rooted.
iPhone 6 (64GB, Space Gray) - Pre-Ordered
Sony Xperia Z2 (16GB, White)
HTC One M8 (32GB, Glacial Silver)
iPad rMini (16GB, Space Gray)
LG G3 (32GB, White) <- returned. laggy OS but I loved the hardware
OnePlus One (64GB, Sandstone Gray) <- sold on Swappa
Nexus 5 (16GB, Black) <- sold on Swappa
Galaxy S5 <- laggy POS and TW sucks