Lexus LS500h, Manual, Page: 436 / 524

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7-2. Steps to take in an emergency
LS500h_OM_(U)_1810

In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.

If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective action according to the warning light. (

P.424)
*
: A buzzer sounds the first time a message is shown on the multi-information display.
■
Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■ Warning buzzer
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
■
If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■ If “Hybrid System Stopped Steering
Power Low” is displayed
This message is displayed if the hybrid sys-
tem is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
■
If “Hybrid System Overheated Output
Power Reduced” is displayed
This message may be displayed when driv-
ing under severe operating conditions. (For
example, when driving up a long steep hill.)
Handling method:

P.450
■ If “Warming Up Maximum Vehicle
Speed: 65 MPH” is displayed
The transmission is being warmed up and
the vehicle is unable to be driven over 65
mph (110 km/h). Wait until the transmission
warms up.
■
If “Stop the Vehicle in a Safe Place Shift
to P position” is displayed
There may be a malfunction in the hybrid
system or the shift position may be shifted to
N for a long time. Immediately stop the
vehicle and contact your Lexus dealer.
■ If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is displayed
This message may be displayed when the
shift position is in N.
As the hybrid battery (traction battery) can-
not be charged when the shift position is in
N, shift the shift position to P when the vehi-
cle is stopped.
Comes on Does not sound
Indicates a condition, such as malfunction of electri-
cal components, their condition, or indicates the
need for maintenance
Flashes Does not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer
*
Warning