2012 Lexus GS350 Sound system

7657-2. Steps to take in an emergency
7
When trouble arises
GS350/250_EE (OM30C36E)
Indicates that the park-
ing brake is still
engaged
If the vehicle reaches
a speed of 5 km/h
(3 mph),
flashes and a buzzer
sounds to indicate
that the parking
brake is still
engaged.
Release the parking
brake.
Indicates that the park-
ing brake system has
overheatedWait until the system
cools down.
Indicates that shift
range 1 has been
selected with the shift
lever in M when driv-
ing on slippery road
surfaces.
The range will not be
downshifted and
remain 2.
Drive with the shift
range higher than 2.
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashes)
(Flashes)

7687-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
(If equipped)
Alerts the driver that
the vehicle is out of the
lanes (while the LKA
[Lane-Keeping Assist]
system is operating)
The warning buzzer
sounds continuously.
The lane markings
and/or the steering
wheel marking flash.
At the same time,
will appear
on the head-up dis-
play (part of the
image flashes).
Check around the vehi-
cle and back to inside
of the lane markings.
(If equipped)
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while
the lane keeping assist
function is operating)
The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
(If equipped)
Indicates that the Blind
Spot Monitor sensors
or the surrounding area
on the bumper is dirty
or covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Wa r n i n g m e s s a g eDetailsCorrection procedure

8167-2. Steps to take in an emergency
GS350/250_EE (OM30C36E)
If the engine will not start
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. 207)
There may be a malfunction in the engine immobilizer system.
(P. 80)
One of the following may be the cause of the problem:
The battery may be discharged. (P. 825)
The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an elec-
trical problem such as electronic key battery depletion or a blown
fuse. However, an interim measure is available to start the engine.
(P. 817)
If the engine will not start even though correct starting procedures
are being followed (P. 207), consider each of the following
points:
The engine will not start even though the starter motor oper-
ates normally.
The starter motor turns over slowly, the interior lights and
headlights are dim, or the horn does not sound or sounds at a
low volume.
The starter motor does not turn over

817
7 7-2. Steps to take in an emergency
When trouble arises
GS350/250_EE (OM30C36E)One of the following may be the cause of the problem:
One or both of the battery terminals may be disconnected.
The battery may be discharged. (P. 825)
There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional if the problem cannot be repaired, or if repair
procedures are unknown.
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 func-
tioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
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 any autho-
rized Lexus dealer or repairer, or another duly qualified and
equipped professional.
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4

880Alphabetical index
GS350/250_EE (OM30C36E)
Eco drive mode .........................328
Eco Driving Indicator ........109, 114
Electric Power Steering (EPS) ..334
Function ................................334
Warning light........................751
Warning message..................762
Electronic key............................118
Battery-saving function ........129
If the electronic key does not
operate properly .................822
Replacing the battery ............697
Emergency, in case of
If the battery is discharged ...825
If the electronic key does not
operate properly .................822
If the engine will not start.....816
If the parking brake cannot
be released ..........................819
If the shift lever cannot be
shifted from P .....................818
If the warning buzzer sounds749
If the warning light turns on .749
If the warning message is
displayed ............................757
If you have a flat tire ....783, 798
If you think something
is wrong ..............................747
If your vehicle becomes stuck ....
833
If your vehicle has to be
stopped in an emergency ....739
If your vehicle needs to
be towed .............................740
If your vehicle overheats ......830Emergency brake signal ........... 334
Emergency flashers .................. 738
Emergency tire puncture
repair kit ................................. 798
Engine....................................... 838
Accessory mode................... 208
Compartment ....................... 660
Engine switch ...................... 207
Hood .................................... 657
How to start the engine ........ 207
Identification number .......... 837
If the engine will not start .... 816
Ignition switch
(engine switch) .................. 207
Overheating ......................... 830
Engine compartment cover....... 661
Engine coolant .......................... 665
Capacity ............................... 847
Checking .............................. 665
Preparing and checking
before winter ..................... 359
Engine coolant temperature
gauge ........................................ 99
Engine immobilizer system ........ 80
Engine oil ................................. 662
Capacity ............................... 839
Checking .............................. 662
Oil level warning message... 766
Oil pressure warning
message ............................. 758
Preparing and checking
before winter ..................... 359
E