2005 Chevrolet Cobalt Owner's Manual - Page 124
2005 Chevrolet Cobalt Manual
Page 124 highlights
Charging System Light The charging system light will come on briefly when you turn on the ignition, and the engine is not running, as a check to show you it is working. Up-Shift Light Your vehicle may have an up-shift light. When this light comes on, you should shift to the next higher gear if weather, road, and traffic conditions allow you to. This light is located in your instrument panel cluster to the left of the tachometer. Then it should go out when the engine is started. If it stays on, or comes on while you are driving, you may have a problem with the electrical charging system. Have it checked by your GM dealer. Driving while this light is on could drain your battery. If you must drive a short distance with the light on, be certain to turn off all your accessories, such as the radio and air conditioner. United States Only See Manual Transaxle Operation on page 2-23 for more information. 3-26