TOYOTA 2011 Camry HV - Manual (Page 44)

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1-1. Hybrid system
l To help prevent the 12-volt battery from becoming discharged, drive the
vehicle at least once a month, and operate the accessories only when
the “READY” indicator is on. When parking the vehicle, make sure the
doors and trunk are closed and all lights are turned off.
n After the 12-volt battery has discharged or has been changed or
removed
The gasoline engine may not stop even if the vehicle is running on the hybrid
battery (traction battery). If this continues for a few days, contact your Toyota
dealer.
n Sounds and vibrations specific to a hybrid vehicle
There may be no engine sounds or vibration even though the vehicle is able
to move. Always put the shift lever in P when parked.
The following sounds or vibrations may occur when the hybrid system is
operating, and are not a malfunction:
l Motor sounds may be heard from the engine compartment.
l Sounds may be heard from the hybrid battery (traction battery) behind
the rear seat when the hybrid system starts or stops.
l Sounds may be heard from the transaxle when the hybrid system starts
or stops, or while the vehicle is idling.
l Engine sounds may be heard when accelerating sharply.
l Sounds may be heard due to the regenerative braking when you press
the brake pedal.
l Vibration may be felt when the gasoline engine starts or stops.
l Cooling fan sounds may be heard from the air intake vents behind the
rear seat.
n Maintenance, repair, recycling, and disposal
Contact your Toyota dealer regarding maintenance, repair, recycling and dis-
posal. Do not dispose of the vehicle yourself.