What causes the battery indicator on the car dashboard to remain red?

1 Answers
McXavier
07/30/25 2:58am
Reasons why the battery indicator on the car dashboard remains red: Commonly, when the vehicle is stationary and the ignition is turned on, a red battery warning light appears on the dashboard. This is usually due to low battery voltage triggering the alarm. Relevant explanations are as follows: 1. First, check whether the battery voltage is within the standard range. Generally, if the voltage is below 9 volts, the battery will trigger an alarm. If possible, measure the battery voltage to ensure it is within the normal range, which is typically between 11.5 volts and 12.5 volts. 2. If the battery voltage is too low, start the engine to charge it. Secondly, inspect the battery terminals for any looseness. You can gently shake them to check for looseness or corrosion. If corrosion is present, it needs to be cleaned.
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