Lexus 2012 RX350, Owner'S Manual

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5-2. Steps to take in an emergency
If the engine will not start (RX350)
If the engine will not start even though correct starting procedures are
being followed (

P. 205), consider each of the following points.
■ The engine will not start, even though the starter motor operates
normally.
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 proce-
dures. (

P. 205)
● There may be a malfunction in the engine immobilizer system.
(

P. 145)
■ 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.
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. (

P. 922)
● The 12-volt battery terminal connections may be loose or cor-
roded.
■ The starter motor does not turn over.
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open circuit or a blown fuse. However, an
interim measure is available to start the engine. (

P. 913)