2015 Lexus GS450h parking brake

5237-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Close the driver’s door.
• Fasten the driver’s seatbelt.
• Close the trunk and hood.
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Depress the brakepedal.
• Close the driver’s door.
• Fasten the driver’s seat belt.
Indicates that the parking
brake is set automatically
while the brake hold sys-
tem is holding the brakes
Release the parking
brake.
Warning messageDetailsCorrection procedure
(Flashes)
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7
When trouble arises
7-2. Steps to take in an emergency
If you have a flat tire
●Stop the vehicle 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. 4 9 4 )
Your vehicle is equipped with a spare tire. The flat tire can be replaced
with the spare tire.
For details about tires: →P. 4 4 3
CAUTION
■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
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5427-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
Location of the spare tire, jack and tools
Jack handle
Parking brake release tool
Screwdriver
Towing eyeletWheel nut wrench
Spare tire
Jack1
2
3
4
5
6
7
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5527-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided 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 steering, sudden braking and shifting opera-
tions 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:
• ABS & Brake assist
•VSC
•TRAC
•Cruise control
• Dynamic radar cruise control (if equipped)
• PCS (if equipped)
•EPS
• AFS (if equipped) •AVS
• LKA (Lane-Keeping Assist)
(if equipped)
• Lexus parking assist monitor
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)
• DRS (if equipped)
• VGRS (if equipped)
• LDH (if equipped)
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5557-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)
7
When trouble arises
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. 562)
Contact your Lexus dealer if the problem cannot be repaired, or if repair proce-
dures are unknown.
When the hybrid system does not start, the following steps can be used as
an interim measure to start the hybrid system if the power switch is func-
tioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the power switch to ACCESSORY mode.
Press and hold the power switch for about 15 seconds while depressing
the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Lexus dealer.
The interior lights and headlights do not turn on, or the horn does
not sound.
Emergency start function
1
2
3
4
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556
GS450h_OM_OM30F70U_(U)
7-2. Steps to take in an emergency
If the shift lever cannot be shifted from P
Set the parking brake.
Turn the power switch to ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or equivalent tool.
To prevent damage to the cover, cover
the tip of the screwdriver with a rag.
Press the shift lock override but-
ton.
The shift lever can be shifted while the
button is pressed.
If the shift lever cannot be shifted with your foot on the brake pedal,
there may be a problem with the shift lock system (a system to prevent
accidental operation 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:
1
2
3
4
5
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557
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7
When trouble arises
7-2. Steps to take in an emergency
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the power switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
Take out the parking brake
release tool and the screwdriver
from the trunk. (→ P. 542)
Fit the parking brake release tool into
the screwdriver handle.
Take out the spare tire. ( →P. 545)
In the event that the 12-volt battery is discharged or switch operation
does not release the parking brake, the parking brake can be released
manually using the procedure below. This procedure should be per-
formed only if necessary, su ch as in an emergency.
If the switch cannot be operated even when the 12-volt battery is nor-
mal, the parking brake system may be malfunctioning. Have the vehicle
inspected by your Lexu s dealer immediately.
Before releasing the parking brake manually
Releasing the parking brake manually
1
2
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5587-2. Steps to take in an emergency
GS450h_OM_OM30F70U_(U)Remove the plug.
Insert the tool and press it down
firmly while turning it counter-
clockwise until it stops.
■Manual operation of the parking brake
The parking brake cannot be set manually.
3
4
CAUTION
■When releasing the parking brake manually
●Shift the shift lever to P, turn the power switch off and chock the tires. Failure to do
so may cause the vehicle to move, resulting in an accident.
●Turn the power switch off and check that the parking brake indicator is off. Failure
to do so may cause the system to operate and turn the inserted parking brake
release tool, resulting in an injury.
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