parking brake Lexus GX460 2014 Using the air conditioning system and defogger / LEXUS 2014 GX460 (OM60K80U) Owner's Manual

GX460_OM_OM60K80U_(U)
3674-6. Driving tips
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Driving
Accelerate the vehicle slowly, keep a safe distance between you and the vehicle
ahead, and drive at a reduced speed suitable to road conditions.
Park the vehicle and move the shift lever to P without setting the parking brake.
The parking brake may freeze up, preventing it from being released. If necessary,
block the wheels to prevent in advertent sliding or creeping.
Use the correct tire chain size when mounting the snow chains.
Chain size is regulated for each tire size. Side chain
(0.20 in. [5 mm] in diameter)
Cross chain
(0.25 in. [6.3 mm] in diameter)
Regulations regarding the use of tire chains vary depending on location and type
of road. Always check local regulations before installing chains.
■Tire chain installation
Observe the following precautions wh en installing and removing chains:
●Install and remove tire chains in a safe location.
●Install tire chains on the rear tires. Do not install tire chains on the front tires.
●Install tire chains on rear tires as tightly as possible. Retighten chains after driving 1 /4 -
1 /2 mile (0.5 - 1.0 km).
●Install tire chains following the instru ctions provided with the tire chains.
When driving the vehicle
When parking the vehicle
Selecting tire chains
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Regulations on the use of tire chains

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GX460_OM_OM60K80U_(U)5-4. Using the other interior features
■Luggage compartment (120 V AC)
The power outlet can be used for 120 V AC accessories that run on less than
100 W.
■The power outlet can be used when
12 V DC: The engine switch is in
ACCESSORY or IGNITION ON mode.
120 V AC: The engine switch is in IGNITION ON mode.
■The protection circuit may be activated to cut the power supply if any of the following
conditions apply (120 V AC):
●Use of electrical appliances exceeding 100 W is attempted.
A sound may be heard when the protection circuit is activated. This is normal and does
not indicate a malfunction.
●The total power usage by all electrical features (headlights, air conditioning, etc.) has
exceeded the total vehicle maximum for an extended period of time.
■If the protection circuit is activated and th e power supply is cut, conduct the following
procedure (120 V AC):
Park the vehicle in a safe place, and then securely apply the parking brake.
Make sure that the power consumption of th e electric appliance is within the maxi-
mum capacity of the power outlet and the appliance is not broken.
Turn the engine switch to IGNITION ON mode again.
When the cabin temperature is high, open the windows to cool the temperature down.
Once it reaches the normal temperature, turn the engine switch to IGNITION ON
mode again.
If the power supply does not resume even after the above procedure has been per-
formed, have the vehicle inspected by your Lexus dealer.
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GX460_OM_OM60K80U_(U)6-2. Maintenance
Vehicle interior
ItemsCheck points
Accelerator pedal• The accelerator pedal should move smoothly
(without uneven pedal effort or catching).
Automatic transmission
“Park” mechanism• When parked on a slope and the shift lever is in P, isthe vehicle securely stopped?
Brake pedal
• Does the brake pedal move smoothly?
• Does the brake pedal have appropriate clearance
from the floor? ( P. 5 6 1 )
• Does the brake pedal have the correct amount of
free play? ( P. 5 6 1 )
Brakes
• The vehicle should not pull to one side when the
brakes are applied.
• The brakes should work effectively.
• The brake pedal should not feel spongy.
• The brake pedal should not get too close to the floor when the brakes are applied.
Head restraints• Do the head restraints move smoothly and lock
securely?
Indicators/buzzers• Do the indicators and buzzers function properly?
Lights• Do all the lights come on?
• Are the headlights aimed correctly? ( P. 484)
Parking brake• Does the parking brake pedal move smoothly?
• When parked on a slope and the parking brake is on,
is the vehicle securely stopped?
Seat belts•Do the seat belt s operate smoothly?
• The seat belts should not be damaged.
Seats• Do the seat controls operate properly?
Steering wheel
• Does the steering wheel rotate smoothly?
• Does the steering wheel have the correct amount of free play?
• There should not be an y strange sounds coming
from the steering wheel.

5027-2. Steps to take in an emergency
GX460_OM_OM60K80U_(U)
If your Lexus is transported by a flat bed
truck, it should be tied down at the
locations shown in the illustration.
If you use chains or cables to tie down
your vehicle, the angles shaded in black
must be 45.
Do not overly tighten the tie downs or
the vehicle may be damaged.
■Before emergency towing The engine switch must be in the ACCESSORY mode (engine off) or IGNITION ON
mode (engine running).
Put the four-wheel drive control switch in H4 and push the center differential lock/
unlock switch to unlock the center differential. ( P. 3 3 2 )
Vehicles with the rear height control air suspension: Put the vehicle height in the N
mode and press the height control OFF button to turn off the rear height control air
suspension. ( P. 3 2 7 )
Shift the shift lever in N.
Release the parking brake.
Using a flat bed truck
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5167-2. Steps to take in an emergency
GX460_OM_OM60K80U_(U)
Indicates that one or more of the doors is not fully closed
The system also indicates which doors are not fully
closed.
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate that
the door(s) are not yet fully closed.
 Make sure that all the doors are closed.
Indicates that the glass hatch is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate that
the glass hatch is not yet fully closed.
 Close the glass hatch.
(If equipped)
Indicates a malfunction in the Intuitive parking assist
All assist-sensors flash.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that a intuitive parkin g assist is dirty or covered
with ice
A buzzer also sounds.
 Clean the sensor.
(Flashes)
Indicates that the vehicle is being driven at 3 mph (5
km/h) or more with the parking brake still engaged A buzzer also sounds.
 Release the parking brake.
Wa r n i n g m e s s a g eDetails/Actions

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GX460_OM_OM60K80U_(U)
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.
●Turn off the rear height control air suspension (if equipped). (P. 3 2 7 )
●Stop the engine.
●Turn on the emergency flashers. ( P. 4 9 8 )
Remove the flat tire and replace it with the spare provided.
For details about tires: P. 4 6 4
CAUTION
■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 result in an accident.
Before jacking up the vehicle

5417-2. Steps to take in an emergency
GX460_OM_OM60K80U_(U)
7
When trouble arises
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. 545)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer 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 functioning normally.
Set the parking brake.
Put the shift lever in P.
Set the engine switch to the ACCESSORY mode.
Push 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 mal-
functioning. Have the vehicle inspected by your Lexus dealer.
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
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GX460_OM_OM60K80U_(U)7-2. Steps to take in an emergency
If the shift lever cannot be shifted from P
Set the parking brake.
Turn the engine switch to ACCESSORY mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or tool.
Press the shift lock override button.
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 opera-
tion of the shift lever). Have the vehicl e inspected by your Lexus dealer, imme-
diately.
The following steps may be used as an emergency measure to ensure that the
shift lever can be shifted:
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GX460_OM_OM60K80U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the stuck tire.
Place wood, stones or some other material under the tires to help provide
traction.
Restart the engine.
Lock the center differential. (P. 3 3 3 )
Shift the shift lever to the D or R position and release the parking brake. Then,
while exercising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Turn off TRAC or Active TRAC/VSC/Trailer Sway Control if these functions are ham-
pering your attempts to free the vehicle. ( P. 3 4 3 )
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow:
Press to turn off TRAC or Active TRAC/VSC/
Trailer Sway Control.
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GX460_OM_OM60K80U_(U)
5618-1. Specifications
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Vehicle specifications
*1: Minimum pedal clearance when depressed with a force of 110 lbf (490 N, 50 kgf)while the engine is running
*2: Parking brake lever travel when pulled up with a force of 44.1 lbf (196 N, 20.0 kgf)
Brakes
Pe d a l c l e a r a n c e*13.4 in. (86 mm) Min.
Pedal free play0.04  0.24 in. (1  6 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake lever travel*25  7 clicks
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Chassis lubrication (Propeller shafts)
SpiderLithium base chassis grease, NLGI No.2
Slide yokeMolybdenum-disulfide lith ium base chassis grease,
NLGI No.2 or lithium base chassis grease, NLGI No.2