warning Lexus GS300h 2017 Owner's Manual

4947-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
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
power 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 power switch was
not turned off.Shift the shift lever to P.
 Bring the electronic key back
into the vehicle.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
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(Displayed alternately)
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4967-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)

Power was turned off due to the
automatic power off function. Next time when starting the
hybrid system, operate the
hybrid system for approximately
5 minutes to recharge the 12-
volt battery.
OnceThe electronic key has a low battery. Replace the electronic key bat-
tery. ( P. 435)
Once
The driver’s door was opened and
closed with the power switch turned
off and then the power switch was
put in ACCESSORY mode twice
without the hybrid system being
started. Press the power switch while
depressing the brake pedal.
During an hybrid system starting
procedure in the event that the elec-
tronic key was not functioning prop-
erly ( P. 528), the power switch
was touched with the electronic key.  Press the power switch within 10
seconds of the buzzer sounding.
Once
The steering lock could not be
released within 3 seconds of the
power switch being pressed. Press the power switch while
depressing the brake pedal and
moving the steering wheel left
and right.
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497
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.
Once
The power switch has been turned
off with the shift lever in a position
other than P or N.  Shift the shift lever to P.
Once
After the power 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 power switch off.
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4987-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
If you have a flat tire (vehicles with spare tire)
● Stop the vehicle in a safe place on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Stop the hybrid system.
● Turn on the emergency flashers. ( P. 452)
Your vehicle is equipped with a spare ti re. The flat tire can be replaced with
the spare tire.
For details about tires: P. 416
WARNING
■If you have 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, which could result in an accident.
Before jacking up the vehicle

5007-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Using the tire jack
Observe the following precautions.
Improper use of the tire jack may cause the vehicle to suddenly fall off the jack, leading
to death or serious injury.
●Do not use the tire jack for any purpose ot her than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire.
Do not use it on other vehicles, and do not use other tire jacks for replacing tires on
this vehicle.
●Put the jack properly in its jack point.
●Do not put any part of your body under the vehicle while it is supported by the jack.
●Do not start the hybrid system or drive the vehicle while the vehicle is supported by
the jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greater than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●When lowering the vehicle, make sure that there is no-one near the vehicle. If there
are people nearby, warn them vocally before lowering.

501
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE) Remove the center luggage mat. (
P. 375)
Remove the spacer and take out the
jack handle from the reverse side of
the center luggage mat.
Take out the jack. For tightening
For loosening
Remove the center luggage mat. ( P. 375)
Loosen the center fastener that
secures the spare tire.
Taking out the jack and jack handle
1
2
3
1
2
Taking out the spare tire
1
2
WARNING
■When storing the spare tire
Be careful not to catch fingers or other body parts between the spare tire and the body
of the vehicle.

503
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE) Raise the vehicle until the tire is
slightly raised off the ground.
Remove all the wheel nuts and the
tire.
When resting the tire on the ground,
place the tire so that the wheel design
faces up to avoid scratching the wheel
surface.
4
5
WARNING
■Replacing a flat tire
●Do not touch the disc wheels or the area around the brakes immediately after the
vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around the brakes will
be extremely hot. Touching these areas with hands, feet or other body parts while
changing a tire, etc. may result in burns.
●Failure to follow these precautions could cause the wheel nuts to loosen and the tire
to fall off, resulting in death or serious injury.

507
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■When using the compact spare tire
●Remember that the compact spare tire provid ed is specifically designed for use with
your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steerin g, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 80 km /h (50 mph) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accid ent causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden brak-
ing.

5087-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
NOTICE
■Be careful when driving over bumps with the compact spare tire installed on the vehi-
cle.
The vehicle may become lower when driving with the compact spare tire compared to
when driving with standard tires. Be careful when driving over uneven road surfaces.
■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 (vehicles with the tire pressure warning system)
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact any authorized Lexus retailer or Lexus authorized repairer, or any reli-
able repairer as the tire pressure warning valve and transmitter may be damaged if not
handled correctly.

509
7
7-2. Steps to take in an emergency
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
If you have a flat tire (vehicles without spare tire)
Your vehicle is not equipped with a spare tire, but instead is equipped with an
emergency tire puncture repair kit.
A puncture caused by a nail or screw passing through the tire tread can be
repaired temporarily with the emergency tire puncture repair kit.
WARNING
■If you have 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, which could result in an accident.
Driving with a flat tire may cause a ci rcumferential groove on the side wall.
In such a case, the tire may explode when using a repair kit.