iowa: the lost driving rules #2: turn signal

(learners, please note, this rule is an important prerequisite for rule #3: the four-way stop)
also known as: blinker, indicator

the turn signal is a standard piece of equipment on every vehicle. it is almost always found connected to the steering column (see illustration). it is used to make other drivers or pededstrians aware of your intention to:
(1) make a right or left turn
(2) change lanes to either the right or left

the turn signal should be used on the freeway as well as on side streets.

just do it.