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Q: Turn Ignition key - Nothing on 2005 Chevrolet Malibu

When I turn on the ignition key now, nothing happens. Battery check shows 4.6 volts (?). The last things that happened before this: 1) Bell dinged when removing key from ignition. 2) When trying to restart, airbag light showed on dashboard. 3) When trying to restart, electric trunk release actuator clicked several times.
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4.6 volts is too low to start the car. The battery's age makes it likely that you need a new battery. Turn on the ignition switch to the on but not run position do you see an icon on the instrument panel representing a battery, if you do not see this battery icon the alternator is not seeing power to allow it to charge. Start the engine does the battery icon go out. Put a volt meter across the battery terminals with the engine off, at rest the battery voltage should be 12.6 volts if the battery is fully charged. Now get a friend to start the car while you watch the voltmeter, the voltage reading across the battery should read approximately 14.6 volts if the alternator is charging correctly.
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