The car behind you begins to pass you. You should:

Question

If another vehicle passes you on the left, decrease your speed slightly and keep to the right. When the vehicle has safely passed and is ahead of you, resume your normal speed.

Accepted Answer

Slow down slightly and stay in your lane.

Answer

Maintain your speed so traffic will flow smoothly.

Answer

Pull to the right and stop so it can pass.

Answer

Blow your horn to signal that it to pass.