What are the reasons for inaccurate car time?

1 Answers
DeBradley
07/29/25 12:58pm
The reason for inaccurate car time is that as the driving environment and vehicle condition change, the crystal oscillator components in the circuit are prone to interference from physical factors such as vehicle voltage fluctuations and high-voltage magnetic fields from spark plugs, affecting their precision. Over time, this can lead to certain deviations, which is a normal phenomenon. Additionally, if the vehicle experiences situations like battery depletion, power disconnection, or restarting the onboard computer, it can also cause the car clock to become inaccurate. The method to adjust the car time is: 1. After turning on, the CLK button displays and sets the time; 2. Press and hold CLK for about 5 seconds until the time display on the screen starts flashing; 3. Use the adjustment buttons (turn left to decrease, turn right to increase); 4. After adjusting the time, press CLK again to confirm.
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