Lexus GS350 2009 Owner's Manual

540
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■Be careful when driving over bumps with the compact spare tire installed on the
vehicle
The vehicle becomes lower when driving with the compact spare tire compared to
when driving with standard tires. Be careful when driving over uneven road sur-
faces.
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressu re warning valves and transmitters
Do not use liquid sealants on flat tires.
GS_U_G.book Page 540 Monday, April 27, 2009 10:50 AM

5
When trouble arises
541
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If you have a flat tire (Vehicles with run-flat tires)
■In some condition (such as at high temperatures)
You can not continue driving for up to 100 miles (160 km).
■Spare tire
A spare tire is not provided on the vehicle with run-flat tires.
■If you cannot distinguish between standard tires and run-flat tires
Consult your Lexus dealer.
■For detailed information on run-flat tires
See the tire warranty book.
NOTICE
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressu re warning valves and transmitters
Do not use liquid sealants on flat tires.
Take your vehicle to the nearest Lexus dealer or authorized tire dealer as
soon as possible.
■ Run-flat tires (A “RFT” or “DSST” mark is molded on the sidewall)
You can continue driving the
vehicle with run-flat tires even if
any tire goes flat.
The vehicle is able to run for a
maximum of 100 miles (160 km)
at a speed below 55 mph (90
km/h) after the tire pressure
warning light comes on.
(→P. 5 0 9 )
GS_U_G.book Page 541 Monday, April 27, 2009 10:50 AM

542
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (→P. 133), consider each of the following points.
■The engine will not start even if you are carrying the correct elec-
tronic key
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Add fuel to the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( →P. 133)
● There may be a malfunction in the immobilizer system. ( →P. 8 4 )
■ The starter motor turns over slow ly, 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. 548)
● The 12 volt battery terminal connections may be loose or corroded.
■ 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 12 volt battery terminals may be disconnected.
● The 12 volt battery may be discharged. (→ P. 548)
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.
GS_U_G.book Page 542 Monday, April 27, 2009 10:50 AM

5
When trouble arises
543
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If the shift lever cannot be shifted from “P”
If the shift lever cannot be shifted with your foot on the brake, there may be
a problem with the shift lock system (a system to prevent accidental opera-
tion of the shift lever). Have the vehicle inspected by your Lexus dealer
immediately.
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted.
Set the parking brake.
Turn the “ENGINE START STOP” switch to the ACCESSORY
mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or equivalent.
Press the shift lock override but-
ton.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5
GS_U_G.book Page 543 Monday, April 27, 2009 10:50 AM

544
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using one of
the other keys and the key number stamped on your key number plate.
GS_U_G.book Page 544 Monday, April 27, 2009 10:50 AM

5
When trouble arises
545
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked
functions
Doors Using the mechanical key (
→P. 2 5 )
in order to perform the following
operations:
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver’s door.
Turning the key once again unlocks
the other doors.
Opens the windows/moon roof
(turn and hold)
If communication between the electron ic key and vehicle is interrupted
(
→P. 33) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In su ch cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.
GS_U_G.book Page 545 Monday, April 27, 2009 10:50 AM

546
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Tr u n kTurn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the
engine
Put the shift lever in “P” and apply the brakes. Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
STEP1
STEP2
GS_U_G.book Page 546 Monday, April 27, 2009 10:50 AM

5
When trouble arises
547
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
To change the “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (
→P. 1 3 4 )
To start the engine: Press th e “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
If the “ENGINE START STOP” switch still cannot be operated, contact
your Lexus dealer.
■Stopping the engine
Shift the shift lever to “P” and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes.
( → P. 4 5 8 )
STEP3
GS_U_G.book Page 547 Monday, April 27, 2009 10:50 AM

548
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
If the 12 volt battery is discharged
The following procedures may be used to start the engine if the 12 volt bat-
tery is discharged.
You can call your Lexus dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12 volt battery, you can jump start your Lexus following the steps
below.
Open the door using the mechani cal key, then open the hood.
GS350: Remove the engine compartment covers.
Connect the jumper cables.
GS460
STEP1
STEP2
GS_U_G.book Page 548 Monday, April 27, 2009 10:50 AM

5
When trouble arises
549
5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
GS350
Positive (+) battery terminal on your vehicle.
Positive (+) battery terminal on the second vehicle.
Negative (-) battery terminal on the second vehicle.
Connect the jumper cable to ground on your vehicle as shown. Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the 12 volt battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch is OFF.
STEP3
STEP4
GS_U_G.book Page 549 Monday, April 27, 2009 10:50 AM