Lexus LS 500 2019 Owner's Manual page 431

(P.435)
 The battery terminal connections
may be loose or corroded.
(P.380)
The starter motor does not turn
over
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine. (P.431)
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.
One of the following may be the cause
of the problem:
 One or both of the battery terminals
may be disconnected. (P.380)
 The battery may be discharged.
(P.435)
 There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
Starting the engine in an emer-
gency
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
LS500_OM_(U)_1810
7-2. Steps to take in an emergency
mally.
Do not use this starting procedure
except in cases of emergency.
1
Press the parking brake switch to
check that the parking brake is set.
(P.174)
Parking brake indicator will come on.
2
Turn the engine switch to ACCES-
SORY mode.
3 Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by your Lexus dealer.
431
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