To signal in a vehicle the desire to turn right or left.
To show or manifest by symptoms; to point to as the proper remedies.
To point out; to discover; to direct to a knowledge of; to show; to make known.
To investigate the condition or power of, as of steam engine, by means of an indicator.
To command or force someone to drive their vehicle to the side of the road or curb and come to a stop.
To come to a stop, and turn off the road (i.e. onto the roadside or hard shoulder).