Have to unlock doors before 3x lock will work.

Question

2011 Silverado(standard key).  Using EVO-GMT4.  After truck sits for awhile, will  have to unlock, lock, then do 3x lock for it to remote start instead of just using 3x lock.  Everything else works fine.  Truck isn't with me at the moment.

Answer 1

Will need to see if the blue led is flashing on every lock press.

Answer 2

You need disable D2 option.