charging VOLKSWAGEN T-ROC 2021 Owner´s Manual
[x] Cancel search | Manufacturer: VOLKSWAGEN, Model Year: 2021, Model line: T-ROC, Model: VOLKSWAGEN T-ROC 2021Pages: 502, PDF Size: 9.42 MB
Page 389 of 502

Connecting the 12-volt vehicle battery
-volt vehicle
battery.
e cable and then the negative cable ⇒ .
Various indicator lamps may light up after the 12-volt vehicle battery has been connected and the
ignition is switched on. They will go out when you drive a short distance at a speed of approximately
15 – 20 km/h (10 – 12 mph). If the indicator lamps remain lit up, the vehicle should be checked by a
qualified workshop.
If the 12-volt vehicle battery was disconnected for an extended period, the system may not able to
calculate or correctly display the time when the next service is due ⇒ Instrument cluster . Observe
the maximum permissible service intervals ⇒ Service .
Automatic switch-off for electrical consumers
The intelligent vehicle electrical system management function automatically implements a range of
measures to prevent the 12-volt vehicle battery from discharging under high loads:
power supply to the 12-volt socket and the cigarette lighter may be interrupted temporarily
while the engine is being started.
The vehicle electrics management system cannot always prevent the 12-volt vehicle battery from
being discharged, for example if the ignition is left on over a long period with the engine off or the
side lights or parking lights are left on over a long period of time.
12-volt vehicle battery is discharged
gnition is switched on.
⇒ Auxiliary heater and ventilation .
WARNING
Incorrectly mounting the battery and using incorrect 12-volt vehicle batteries can cause short
circuits, fire and serious injuries.
-free and leak-proof 12-volt vehicle batteries that have the same
properties, specifications and dimensions as the factory-fitted 12-volt vehicle battery.
WARNING
A highly explosive mixture of gases is given off when the 12-volt vehicle battery is being charged.
Page 390 of 502

-volt vehicle batteries should be charged only in well-ventilated spaces.
-volt vehicle battery. Discharged 12-volt vehicle batteries can
already freeze at temperatures of around 0°C (+32°F).
-volt vehicle battery must be replaced if it has ever been frozen.
the negative cable.
NOTICE
-volt vehicle batteries if the ignition is switched on or the engine is
running. Never use a 12-volt vehicle battery that does not correspond with the vehicle's
specifications. This can damage the electrical system or electronic components and electrical
malfunctions can occur.
to the 12-volt socket or to the cigarette lighter in order to charge the 12-volt vehicle battery. The
electrical system of the vehicle could otherwise be damaged.
12-volt vehicle batteries may contain toxic substances such as sulphuric acid and lead. Dispose of the
12-volt vehicle battery in accordance with the regulations.
Electrolyte can pollute the environment. Collect any service fluids that escape or are spilt and
dispose of them properly.
Troubleshooting
First read and observe the introductoryinformation and safety warnings⇒Introduction
Vehicle battery (12-volt)
The indicator lamp lights up red.
Fault in the alternator. The 12-volt vehicle battery will not be charged by the alternator while the
vehicle is in motion.
Switch off any electrical consumers that are not required. Inform a qualified workshop. Have the
electrical system checked.
The start/stop system cannot start the engine ⇒ Start/stop system .
and vehicle battery (12-volt)
The central warning lamp lights up red and the text message 12 V battery not charging. Stop vehicle.
is displayed.