Signalling your intention does not indicate weakness nor is it likely that the sob beside you will speed up so you can't get in.
Also, put the *^$%!*& cellphones away. ty.
In many places, signaling may even cause other drivers to adjust their speed and let you accomplish the driving maneuver that you want. 😀
Not here in NYC, of course. 😛
^You people run a Demolition Derby up there?^
It seems like that sometimes. 😛