Instement Panel Shows Battery Symble In Red 2011 Cadillac Cts
Chosen Solution instriment panel battery icon is red How do you know it’s overcharging? It could have a bad alternator. Hi, Place the transmission in Park (or Neutral if MT) and apply the emergency brake and start the engine. Then test the voltage across the car’s battery terminals with a Voltmeter and check that it measures between 13.8V DC and 14.5V DC. If it reads more then 14.9V DC and the battery is losing electrolyte due to it being overcharged, then there may be a problem with the voltage regulator - example only....