1995 Chevrolet Camaro Owner's Manual - Page 130

Voltmeter If you idle your engine for a while, the voltmeter reading might moveinto the yellow zone.If the reading stays in the yellow zone while you are driving, you may have a problem with the electrical charging system. Have it checked. While the voltmeter reads in the yellow zone, your battery may not be able to power certain electrical accessories, like ABS. (If this happens, your ABS INOP light will come on. See "Anti-Lock Brake System Warning Light" inthis section.) If you must drive a short distance with the voltmeter reading in a warning zone, turn all your accessories, off including your air conditioning system and audio systems. You can read battery voltageon your voltmeter.If it reads less than 11 volts or more than 16 volts while your engine is running, and it stays there, you mayhave a problem with the electricalcharging system. Have it checked right away.Driving with the voltmeter reading in a warningzone could drain your battery. Check Gages Light This red warning light will come on briefly when you are starting the engine. If the light comes on and stays on while you are driving, check your gages to see if they are in the warning areas. CHECK GAGES 2-78