2018 Lexus GS350 turn

4677-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
7
When trouble arises
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Once⎯
The electronic key is not detected
when an attempt is made to start the
engine.
→ Start the engine with the elec-
tronic key present.
Once3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the engine switch
was in a mode other than off.
→Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the engine switch was not
turned off.
→Turn the engine switch off or
bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off when the shift
lever was in P.
→Turn the engine switch off and
lock the doors again.
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)

4687-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
9 times⎯
An attempt was made to drive when
the regular key was not inside the
vehicle.
→Confirm that the electronic key
is inside the vehicle.
Con-
tinuous⎯
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
→ Shift the shift lever to P.
Con-
tinuousCon-
tinuous
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
not in P and the engine switch was
not turned off.
→Shift the shift lever to P.
→ Bring the electronic key back
into the vehicle.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)

4697-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
7
When trouble arises
⎯Con-
tinuous
• An attempt was made to lock the doors using the sm art access sys-
tem with push-button start while
the electronic key was still inside
the vehicle.
• An attempt was made to lock either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
→ Retrieve the electronic key
from the vehicle and lock the
doors again.
Once⎯
• When the doors were unlocked
with the mechanical key and then
the engine swit ch was pressed,
the electronic key could not be
detected in the vehicle.
• The electronic key could not be
detected in the vehicle even after
the engine switch was pressed
two consecutive times.
→ Touch the electronic key to the
engine switch while depressing
the brake pedal.
Once⎯
An attempt was made to start the
engine with the shift lever in an
incorrect position.
→Shift the shift lever to P and start
the engine.
⎯⎯
Power was turned off due to the
automatic power off function.
→Next time when starting the
engine, increase the engine
speed slightly and maintain that
level for approximately 5 min-
utes to recharge the battery.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)

4707-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
Once⎯
The electronic key has a low battery.
→Replace the electronic key bat-
tery. ( →P. 410)
Once⎯
The driver’s door was opened and
closed with the engine switch turned
off and then the engine switch was
put in ACCESSORY mode twice
without the engine being started.
→ Press the engine switch while
depressing the brake pedal.
During an engine starting proce-
dure in the event that the electronic
key was not functioning properly
(→ P. 502), the engine switch was
touched with the electronic key.
→ Press the engine switch within
10 seconds of the buzzer sound-
ing.
Once⎯
The steering lock could not be
released within 3 seconds of the
engine switch being pressed.
→Press the engine switch while
depressing the brake pedal and
moving the steering wheel left
and right.
Once⎯
The engine switch has been turned
off with the shift lever in a position
other than P or N.
→Shift the shift lever to P.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(GS350/GS300)
(GS F)
(Flashes)
(Flashes)

4717-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
7
When trouble arises
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.
Once⎯
After the engine switch has been
turned off with the shift lever in a
position other than P, the shift lever
has been shifted to P.
→ Turn the engine switch off.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)

472
GS350_300_GS F_OM_OM30G34U_(U)7-2. Steps to take in an emergency
If you have a flat tire (vehicles with spare tire)
●Stop the vehicle in a safe pl
ace on a hard, flat surface.
●Set the parking brake.
●Shift the shift lever to P.
●Stop the engine.
●Turn on the emergency flashers. ( →P. 424)
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires: → P. 393
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat ti re can damage the tire and the wheel beyond
repair, which could re sult in an accident.
Before jacking up the vehicle

4787-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
Chock the tires.
Slightly loosen the wheel nuts (one
turn).
Turn the tire jack portion “A” by hand
until the notch of the jack is in con-
tact with the jack point.
The jack point guides are located under
the rocker panel. They indicate the jack
point positions.
Replacing a flat tire
1
Flat tireWheel chock positions
FrontLeft-hand sideBehind the rear right-hand side tire
Right-hand sideBehind the rear left-hand side tire
RearLeft-hand sideIn front of the front right-hand side tire
Right-hand sideIn front of the front left-hand side tire
2
3

4807-2. Steps to take in an emergency
GS350_300_GS F_OM_OM30G34U_(U)
Remove any dirt or foreign matter
from the wheel contact surface.
If foreign matter is on the wheel contact
surface, the wheel nuts may loosen
while the vehicle is in motion, causing
the tire to come off.
Install the spare tire and loosely tighte n each wheel nut by hand by approxi-
mately the same amount.
When replacing an aluminum wheel
with a steel wheel, tighten the wheel
nuts until the tapered portion comes
into loose contact with the disc
wheel seat.
When replacing an aluminum wheel
with an aluminum wheel, turn the
wheel nuts until the washers come
into contact with the disc wheel.
Lower the vehicle.
Installing the spare tire
1
2
Tapered portion
Disc wheel
seat
Washer
Disc wheel
3