2014 Chevrolet Express 2500 Cargo Owner Manual - Page 151
2014 Chevrolet Express 2500 Cargo Manual
Page 151 highlights
Lighting generate more power, whenever needed. It can temporarily reduce the power demands of some accessories. Normally, these actions occur in steps or levels, without being noticeable. In rare cases at the highest levels of corrective action, this action may be noticeable to the driver. If so, a Driver Information Center (DIC) message might be displayed, such as SERVICE BATTERY CHARGING SYSTEM. If this messages displays, it is recommended that the driver reduce the electrical loads as much as possible. See Battery Voltage and Charging Messages on page 5-31. 6-7 Battery Power Protection This feature shuts off the dome lamps if they are left on for more than 10 minutes when the ignition is in LOCK/OFF. This helps to prevent the battery from running down.
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