Aston Martin DB 9 2010 Manual page 237

FAQ
What is the first sign of battery protection mode?
[A] - 'Warning - Low Battery' (For 10 seconds).
[B] - 'Low Battery'.
What should I do next?
Set all unnecessary electrical systems to OFF to reduce battery drain.
Start the engine to recharge the battery. Run the engine for a
reasonable length of time.
What happens if I ignore the warning messages?
After approximately two to ten minutes (dependent on the rate of
battery charge drain) the following messages will show:
[A] - 'Infotainment will be shut down 2 minutes' (For 10 seconds).
[B] - 'Low Battery Power Save'.
If the Audio system is ON the sound will mute for 10 seconds and a
short 'Beep' will be heard when the message is first shown.
What should I do if these messages are shown?
Set all unnecessary electrical systems to OFF. Start the engine to
recharge the battery. Run the engine for a reasonable length of time.
What happens if I ignore second warning messages?
The infotainment system will shut down in two minutes. No other
electrical system will be shut down. This significantly reduces the rate
of battery drain. The following functionality will be lost:
• CD Player
• Navigation System
• Radio Tuner
What should I do if the infotainment system shuts down?
Start the engine to recharge the battery. Run the engine for a
reasonable length of time.
The infotainment system will not operate without the engine running
until the battery has regained its charge. With the engine running the
Infotainment system will start up.
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