The car dashboard is an important part of the vehicle cockpit. It displays various parameters and information of the vehicle and helps the driver monitor the vehicle's operating status and driving conditions. The functions of the car dashboard generally include the following aspects:

1. Speedometer: Displays the current speed of the vehicle, helps the driver control the speed, abide by traffic rules and ensure safe driving.

2. Tachometer: Displays the engine speed, helps the driver understand the vehicle's power output, adjusts the speed and shift timing.

3. Fuel gauge: Displays the remaining fuel in the vehicle's fuel tank, reminds the driver to refuel in time to avoid failure caused by running out of fuel.

4. Water temperature gauge: Displays the engine cooling water temperature, helps the driver monitor the engine operating temperature and ensures the normal operation of the engine.

5. Voltmeter: Displays the battery voltage of the vehicle, reminds the driver whether the vehicle circuit is normal, and avoids the inability to start the vehicle due to circuit failure.

6. Distance meter: Displays the current mileage of the vehicle, helps the driver understand the vehicle's usage, and performs daily maintenance and maintenance in time.

7. Light indicator: Displays the status of various lights of the vehicle, including high and low beams, turn signals, fog lights, etc., reminding the driver to turn on or off the lights in time.

8. Parts fault indicator: Displays the fault status of vehicle parts, such as engine failure, brake system failure, etc., reminding the driver to repair and maintain in time.

9. Entertainment system display: Displays multimedia information, including music, navigation, reversing images, etc., providing driver entertainment and assisted driving functions.

10. Temperature adjustment instrument: Displays the temperature inside and outside the car, helping the driver to adjust the air conditioning and heating system to create a comfortable driving environment.

In general, the functions of the car dashboard cover multiple aspects such as vehicle operation, maintenance, and safety, and are an important source of information and tool for the driver during driving. By carefully observing the data and instructions on the dashboard, the driver can better control the vehicle and ensure safe and smooth driving.