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MAINTENANCE AND SERVICING
515
NOTE
If the start battery is completely discharged
and the vehicle has no normal electrical func-
tions, and the engine is then started using an
auxiliary battery or battery charger, the
Start/Stop function will be activated. The
engine can then be auto-stopped but may not
auto-start again due to an insufficient charge
level in the start battery.
To help ensure auto-start, the start battery
should be charged first. At a temperature of
approx. 60 °F (15 °C), the battery should be
charged for at least 1 hour, preferably using
an external battery charger. At lower tempera-
tures, the battery should be charged for
3–4 hours.
If a charger is not available, it is advisable to
disable the Start/Stop function until the bat-
tery is sufficiently recharged.
Related information
•
Start battery (p. 512)
Hybrid battery
The vehicle's electric motor is powered by a
rechargeable, maintenance-free, lithium-ion
hybrid battery.
The vehicle cannot be started if the hybrid
battery is completely discharged.
WARNING
The vehicle's hybrid battery may only be serv-
iced or replaced by a trained and qualified
Volvo service technician.
Battery coolant
The hybrid battery's cooling system has its own
expansion tank.
Filling the hybrid battery's cooling system should
only be done by a trained and qualified Volvo
service technician.
Related information
•
Charging the hybrid battery (p. 413)
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