California DMV Permit Test (Class C)Vehicle Operation and MaintenanceMedium
Which of the following basic vehicle controls should always be checked for proper function before driving, especially when driving a vehicle you are unfamiliar with?
- AThe cruise control system.
- BThe heated seat controls.
- CThe car's infotainment system settings.
- DThe horn, headlights, and turn signals.
Show answer & explanationAnswer & explanation
Correct answer: D. The horn, headlights, and turn signals.
The horn, headlights, and turn signals are essential safety devices used for communication and visibility. Their proper function is critical for safe driving and should be verified before operating any vehicle.
Why the other options are wrong
- A. Cruise control is a convenience feature, not a critical safety control that must be checked before every drive.
- B. Heated seat controls are comfort features and irrelevant to safe vehicle operation.
- C. Infotainment settings relate to comfort and entertainment, not basic vehicle operation safety.
Essential Vehicle Controls
Fundamental vehicle functions that are crucial for safe operation and communication with other road users.
- Include lights, horn, and turn signals.
- Should be checked regularly, especially before unfamiliar drives.
- Malfunction can lead to accidents or legal penalties.
Memory trick: Lights, Horn, Signals: See and Be Seen, Warn and Turn.