Lexus 2013 IS250, Owner'S Manual

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521
8-2. Steps to take in an emergency
8
When trouble
arises
IS250_EE(OM53B11E)
One of the following may be the cause of the problem:

There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.

The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(

P. 190)

There may be a malfunction in the engine immobilizer system.
(

P. 77)
One of the following may be the cause of the problem:

The battery terminal connections may be loose or corroded.

The battery may be discharged. (

P. 527)
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key battery depletion or a blown fuse. How-
ever, an interim measure is available to start the engine. (

P. 522)
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (

P. 190), consider each of the following points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume.
The starter motor does not turn over