When a vehicle approaches an intersection without crosswalk, what should the driver do if he finds people are crossing the street? 

When driving a motor vehicle in this situation you can turn right. 

Before a vehicle enters a curve of a mountain road, if there is no vehicle coming in the opposite direction, what should the driver do? 

What does this sign mean?

When overtaking on a mountain road, how should the vehicle overtake? 

What to do when driving a motor vehicle and encountering vehicles in front waiting in line or moving forward slowly?

What does the yellow marking on the road mean?

What device does the switch with this symbol (as illustrated) control? 

In this situation you can speed up and pass the crosswalk. 

This meter shows the fuel in the tank is already below the warning line