Lexus LS500h, Manual, Page: 65 / 524

65
1-4. Hybrid system
LS500h_OM_(U)_1810
1
For safety and security
seats, when the hybrid system is started
or stopped.
● Sounds may be heard from the hybrid
battery (traction battery) behind the rear
seats when the hybrid system starts or
stops.
● Sounds from the hybrid system may be
heard when the trunk lid is open.
● Sounds may be heard from the transmis-
sion when the gasoline engine starts or
stops, when driving at low speeds, or
during idling.
● Engine sounds may be heard when
accelerating sharply.
● Sounds may be heard due to regenera-
tive braking when the brake pedal is
depressed or as the accelerator pedal is
released.
● Vibration may be felt or sounds may be
heard when the gasoline engine starts or
stops.
● Cooling fan sounds may be heard from
the air intake vents on the both sides of
the rear seatback.
■
Maintenance, repair, recycling, and dis-
posal
Contact your Lexus dealer regarding main-
tenance, repair, recycling and disposal. Do
not dispose of the vehicle yourself.
■ Customization
Some functions can be customized.
(

P.479)
When driving with the gasoline engine
stopped, a sound, which changes in
accordance with the driving speed, will
be played in order to warn people
nearby of the vehicle’s approach. The
sound will stop when the vehicle speed
exceeds approximately 15 mph (25
km/h).
■
Vehicle proximity notification system
In the following cases, the vehicle proximity
notification system may be difficult for sur-
rounding people to hear.
● In very noisy areas
● In the wind or the rain
Also, as the vehicle proximity notification
system is installed on the front of the vehicle,
it may be more difficult to hear from the rear
of the vehicle compared to the front.
■ Customization
Some functions can be customized.
(

P.479)
Vehicle proximity notification
system