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12-volt vehicle battery
The indicator lamp lights up yellow. The fol-
lowing messages can be displayed:
—
Error: 12V battery diagnostics. Please visit workshop.
Fault in the system for monitoring the 12-
volt vehicle battery.
— Go to a qualified workshop.
— Have the electrical system checked.
OR: .
—
Error: 12 V onboard supply. Please visit workshop.
Fault in the 12-volt vehicle electrical system.
— Go to a qualified workshop.
— Have the electrical system checked.
12-volt vehicle battery
The indicator lamp lights up yellow. The fol-
lowing text message will be displayed:
—
Error: Replace 12V battery. Please visit workshop.
The 12-volt vehicle battery has almost
reached the end of its service life.
— Go to a qualified workshop.
— Have the 12-volt vehicle battery checked
and replaced if necessary → page 321.
12-volt vehicle battery
The indicator lamp lights up yellow. The fol-
lowing text message will be displayed:
—
Please have 12V battery checked. Please visit workshop.
Fault in the connection between the vehicle
electrical system and the 12-volt vehicle bat-
tery.
— Go to a qualified workshop.
— Have the electrical system checked.
12-volt vehicle battery
The indicator lamp lights up yellow. The fol-
lowing text message will be displayed:
—
12-V battery low. Charge by driving.
324
Checking and refilling
12-volt vehicle battery has poor charging ca-
pacity, caused for example by low tempera-
tures.
— Drive a short distance to recharge the 12-
volt vehicle battery.
OR: .
The indicator lamp lights up yellow.
Diagnosis of 12-volt vehicle battery stopped
due to the vehicle being restarted, for exam-
ple.
— If the warning lamp continues to steadily
shine after the vehicle has been parked for
a longer period of time, for example, over
night, visit a qualified workshop and have
the electrical system checked.
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