2009 Chevrolet Corvette Owner's Manual - Page 176

If, after several seconds, both status indicator lights remain on, or if there are no lights at all, there may be a problem with the lights or the passenger sensing system. See your dealer/retailer for service. Voltmeter Gage The voltmeter shows the voltage output of the battery. It shows the voltage output of the charging system while the engine is running. { CAUTION: If the airbag readiness light ever comes on and stays on, it means that something may be wrong with the airbag system. To help avoid injury to yourself or others, have the vehicle serviced right away. See Airbag Readiness Light on page 3-36 for more information, including important safety information. Base and Z06 The reading changes as the rate of charge changes (with engine speed, for example), but if the voltmeter reads at 9 volts or below, the instrument panel cluster and other systems may shut down. The Driver Information Center (DIC) reads BATTERY VOLTAGE LOW when the vehicle is at 10 volts or below. Have it checked right away. Driving with the voltmeter reading at 10 volts or below could drain the battery and disable the vehicle. 3-38