Signaling — Louisiana Permit Test

You must signal other drivers whenever you plan to turn, change lanes, slow down or stop.

Crashes happen when one driver does something the other does not expect. A signal removes the surprise.

You must always give a signal to other drivers when you plan to turn, change lanes, slow down or stop.

You can signal with either mechanical signal lights or your left arm.

If your signal lights fail or the sun washes them out, an arm out the window still shows your plan.

You can use either mechanical signal lights or the left arm.

Use your left turn signal when pulling from a curbside parallel parking space into traffic or moving to the left lane to pass.

Drivers coming up behind you need to know you are about to pull out into their lane.

The left turn signal should always be used when driving from a curbside parallel parking space into the flow of traffic or moving to the left lane to pass.

It is illegal to flash your turn signals on one side of a parked or disabled vehicle, or to use them to tell another driver to pass you.

A driver behind may think you are turning, or may pass because you waved them on, right into an oncoming car.

It is illegal to flash your turn signals on just one side of a parked or disabled vehicle OR as a signal to another vehicle to pass you.

When must you give a signal to other drivers?

When you turn, change lanes, slow or stop. Crashes happen when one driver does something the other does not expect. A signal removes the surprise. Class D & E Driver's Guide, p.92: “You must always give a signal to other drivers when you plan to turn, change lanes, slow down or stop.”