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1-3. Hybrid system
Hybrid battery (traction bat-
tery) air intake vents
There are air intake vents on each side
of the rear seatback with the purpose
of cooling the hybrid battery (traction
battery). If the vents become blocked,
hybrid battery output may be reduced.
NOTICE
Hybrid battery (traction battery) air
■
intake vents
●
Make sure not to block the air intake
vent with anything, such as a seat
cover, plastic cover, or luggage. If the
vents become blocked, the hybrid bat-
tery (traction battery) input and output
may be restricted, leading to a reduc-
tion in hybrid battery (traction battery)
output and a malfunction.
●
When dust etc. has accumulated in the
air intake vent, periodically clean it
with a vacuum cleaner to prevent the
vent from clogging.
A filter is installed to the air intake vent.
●
When the filter remains noticeably
dirty even after cleaning the air intake
vent, filter cleaning or replacement is
recommended. When cleaning or
replacing the filter, contact your Lexus
dealer.
Refer to P.374 for details on how to
clean the filters.
LS500h_OM_OM50F42U_(U)
●
Do not get water or foreign materials
in the air intake vents as this may cause
a short circuit and damage the hybrid
battery (traction battery).
Emergency shut off system
When a certain level of impact is
detected by the impact sensor, the
emergency shut off system blocks the
high voltage current and stops the fuel
pump to minimize the risk of electrocu-
tion and fuel leakage. If the emergency
shut off system activates, your vehicle
will not restart. To restart the hybrid
system, contact your Lexus dealer.
Hybrid warning message
A message is automatically displayed
when a malfunction occurs in the
hybrid system or an improper opera-
tion is attempted.
If a warning message is shown on the
multi-information display, read the
message and follow the instructions.
If a warning light comes on, a warning
■
message is displayed, or the 12-volt bat-
tery is disconnected
The hybrid system may not start. In this
case, try to start the system again. If the
"READY" indicator does not come on, con-
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