2013 Chevrolet Express 2500 Passenger Owner Manual - Page 152

6-6 Lighting E DOME OFF: Press this button in and the dome lamps remain off when a door is opened. Press the button again to return it to the extended position so that the dome lamps come on when a door is opened. Reading Lamps For vehicles with reading lamps, press the button next to each lamp to turn it on or off. The vehicle may also have reading lamps in other locations. The lamps cannot be adjusted. Lighting Features Entry/Exit Lighting The vehicle has an illuminated entry/exit feature. The dome lamps come on if the E DOME OFF button is in the extended position, when a door is opened, or the key is removed from the ignition. The dome lamp override sets the dome lamps to remain off or come on automatically when a door is opened. Battery Load Management The vehicle may have Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When the battery's state of charge is low, the voltage is raised slightly to quickly bring the charge back up. When the state of charge is high, the voltage is lowered slightly to prevent overcharging. If the vehicle