Before entering a tunnel, what should a driver do in order to improve vision?

Wear sunglasses to prevent glare from the lights.
Pull down the visor to eliminate overhead light glare.
Drive close to the vehicle in front.
Take off sunglasses.

Explantion: Be aware that there is considerably less light available in a tunnel, even with the tunnel lights on. To improve your vision remove your sunglasses before entering the tunnel.

Theory Tester

Before entering a tunnel, what should a driver do in order to improve vision?

Safe and Responsible Driving