When a motor vehicle on the road pulls over how should lights be used?

On the motor vehicle dashboard what does this symbol (as illustrated) show? 

In this situation the vehicle going uphill should allow the vehicle going downhill to go first. 

Scanning the road ahead helps drivers to:

When the tail fog light is switched on, the light in the picture is lit.

When driving a motorized vehicle you can throw items onto the road

What does this sign mean?

If a motorized vehicle driver whose penalty scores have reached 12 points refuses to participate in the study and test it will be announced that his driving license should no longer be used

What does this sign mean?

What is this traffic police hand signal?