pretty sure it's not the fan.. i turned that off.. not sure if its louder outside.. i'll check..
but more importantly.. any ideas what to do next? battery reset didnt work, nor did the resyncing the key.. both worked before. and no DTC..
it makes no sense..

the only other thing that came to my mind.. I did fix the sticky key problem, which involved removal of the key ring.. But that was like 3 yrs ago, when i first got it.. (w. 8k miles!)