Your idler arm broke.
Yes.
Hold the arm straight out.
Left turn Right turn And go straight
Left turn
Hold the arm straight out.
. . . be making a left turn.
straight left arm out of the driver seat
turn right go straight ahead turn around 3 times then turn to your left
The proper hand turn signals for bikes are: Left turn: Extend your left arm straight out to the side Right turn: Extend your right arm straight out to the side Stop or slow down: Extend your left arm downward at a 90-degree angle
Because the momentum of your car is going straight and when you go left your car tries to stay in that straight direction.
Well, if you have turn indicators it'd be better if you used them. But if that's all you've got it's usually OK.Added: YES, that is the correct hand signal.
To properly use the turn signal on your bicycle, extend your left arm straight out to indicate a left turn, and extend your right arm straight out to indicate a right turn. Remember to make these signals clearly and in advance of your turn to alert other road users.