California DMV Special Driving Conditions 2

Question 1

When driving on a mountain road in California, what is the recommended technique for descending a steep grade?

Accepted Answer

Shift to a lower gear and use engine braking, applying brakes as needed

Answer

Engine braking in a lower gear controls speed on steep descents without overheating brakes, which can fade if used continuously.

Question 2

In California, when must you chain up your tires on mountain roads?

Accepted Answer

When Caltrans posts R-2 or R-3 chain control requirements for your vehicle class

Answer

Caltrans uses a numbered system (R-1, R-2, R-3) to post chain requirements — you must comply with requirements posted for your vehicle class.

Question 3

When driving in desert heat in California, which precaution helps prevent vehicle overheating?

Accepted Answer

Reduce speed and watch the temperature gauge closely

Answer

Reducing speed lowers engine workload in extreme heat, and monitoring the temperature gauge helps you catch overheating before damage occurs.

Question 4

When your vehicle overheats on a California highway, you should:

Accepted Answer

Pull over safely, turn off the engine, and let it cool before adding coolant

Answer

You must let an overheated engine cool completely before opening the radiator — the pressurized steam can cause severe burns.

Question 5

Night driving is more dangerous than daytime driving primarily because:

Accepted Answer

Visibility is significantly reduced, limiting reaction time

Answer

Reduced visibility at night shortens the distance you can see hazards, giving you less time to react compared to daylight driving.

California DMV - California Department of Motor Vehicle Practice Test