New technology and carbon monoxide — California Permit Test

New technology and carbon monoxide on the California permit test — 3 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Vehicles with self-driving and advanced driver assistance systems may respond to road situations differently than a human driver would.

The car beside you may brake for something you would have driven past, or not brake at all.

The technology in vehicles is always advancing.

California Driver’s Handbook, p.71

All gas-powered vehicles produce carbon monoxide, a deadly odorless gas released from the exhaust pipe, so never start your vehicle inside a garage with the door closed.

You cannot smell it, so there is no warning until you are already affected by it.

All gas-powered vehicles produce carbon monoxide. Carbon monoxide is a deadly odorless gas released from a vehicle’s exhaust pipe.

California Driver’s Handbook, p.71

Symptoms of carbon monoxide poisoning include tiredness, yawning, dizziness, nausea, headache and ringing in the ears, and if you have them you should have your exhaust system checked.

They read like ordinary tiredness, which is exactly what makes them dangerous at the wheel.

Symptoms of carbon monoxide poisoning include:

California Driver’s Handbook, p.71

On the test

What should you expect of a vehicle with driver assistance systems?

It may react differently than a person. The car beside you may brake for something you would have driven past, or not brake at all. California Driver’s Handbook, p.71: “The technology in vehicles is always advancing.”

How this works

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Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

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Where these come from

Every rule here is checked against California Driver’s Handbook, published by the California Department of Motor Vehicles, and against the state code itself. Last checked 2026-09-21.