Lexus LS500 Owner's Manual page 441

If "Oil Maintenance Required" is dis-
■
played
Indicates that the engine oil should be
changed.
Check and change the engine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, make sure to reset the message.
(→P.390)
■ If "Shift System Malfunction Driving
Unavailable" is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately.
If a message that indicates the need for
■
the shift lever operation is displayed
To prevent the shift lever from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position.
If a message that indicates the need for
■
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
If a message that indicates the need for
■
referring to Owner's Manual is dis-
played
● If any of the following messages are
shown on the multi-information display,
follow the instructions.
• "Engine Coolant Temp High" (→P.453)
• "Battery Low" (→P.447)
• "Transmission Fluid Temp High" (→P.175)
● If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• "Access System with Elec. Key Malfunc-
tion"
• "Shift System Malfunction"
• "P Switch Malfunction"
• "Shift System Unavailable"
• "Hybrid System Malfunction"
• "Check Engine"
LS500h_OM_OM50F42U_(U)
7-2. Steps to take in an emergency
• "Hybrid Battery System Malfunction"
• "Accelerator System Malfunction"
● If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Immediately
stop the vehicle and contact your Lexus
dealer.
• "Braking Power Low"
• "Charging System Malfunction"
• "Oil Pressure Low"
● If "Maintenance Required for Traction
Battery Cooling Parts" is shown, the fil-
ters may be clogged, the air intake vents
may be blocked, or there may be a gap in
the duct. Therefore, perform the follow-
ing correction procedure.
• If the air intake vents and filters of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.374 to clean
them.
• If the warning message is shown when
the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.
NOTICE
■ If "High Power Consumption Partial
Limit On AC/Heater Operation" is
displayed frequently
There is a possible malfunction relating
to the charging system or the 12-volt bat-
tery may be deteriorating. Have the vehi-
cle inspected by your Lexus dealer.
If "Have Traction Battery Inspected"
■
is displayed
This message indicates that the hybrid
battery (traction battery) may require
inspection or replacement. Have the
vehicle inspected by your Lexus dealer
immediately.
Do not continue driving the vehicle, as
the hybrid system may become not able
to be started again.
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