air condition Lexus GS350 2014 Repair Manual

7287-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
Warning messageDetailsCorrection procedure
(If equipped)
Indicates that the pre-col-
lision system is not cur-
rently functional because
the grille cover or the
sensor is dirty This message also
appears when the pre-
collision system is not
functional due to over-
heating.
• Check the grille coverand the sensor and
clean them if they are
dirty.
• In case of overheating, the system will become
functional once the sys-
tem cools down.
Indicates that operation
of large electricity con-
suming systems such as
the air conditioning sys-
tem are suspended
Stop using unnecessary
electric components to
reduce electricity con-
sumption until the warn-
ing message disappears.If the warning message
is displayed frequently,
have the vehicle
inspected by your
Lexus dealer.
(Flashes)
(Flashes)
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761
GS350_OM_OM30D41U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning system,
and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down sufficiently, inspect the hoses and
radiator core (radiator) for any leaks. Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( →P. 81) enters
the red zone or a loss of engine power is experienced. (For example,
the vehicle speed does not increase.)
●Steam is coming from under the hood.
Correction procedures
1
2
3
1
2
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7627-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)The coolant level is satisfactory if it is between the “FULL” and “LOW”
lines on the reservoir.
Reservoir
“FULL”
“LOW”
Coolant inlet cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditioning system on to check that
the radiator cooling fans operate and to check for coolant leaks from
the radiator or hoses.
The fans operate when the air conditioning system is turned on immediately after
a cold start. Confirm that the fans are operating by checking the fan sound and air
flow. If it is difficult to check these, turn the air conditioning system on and off
repeatedly. (The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately an d contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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1
2
3
4
5
6
7
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788
GS350_OM_OM30D41U_(U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1
* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
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828Alphabetical index
GS350_OM_OM30D41U_(U)
Alphabetical index
A/C ............................................................ 353Air conditioning filter ........................657
Changing the rear seat settings .................................................362
Front automatic air conditioning
system ................................................. 353
Humidity sensor ................................ 365
Micro dust and pollen filter ...........363
Rear air conditioning system....... 369
S-FLOW mode ..................................363
ABS (Anti-lock Brake System)....... 269
Function ..................................................269
Warning light .......................................703
Warning message ...............................716
Adaptive Front-lighting system
(AFS) ........................................................194
Adaptive Variable
Suspension system (AVS) ............. 270
AFS (Adaptive Front-lighting
System) ....................................................194
Air conditioning filter .......................... 657
Air conditioning system ..................... 353 Air conditioning filter ........................657
Changing the rear seat settings .................................................362
Front automatic air conditioning system ................................................. 353
Humidity sensor ................................ 365
Micro dust and pollen filter ...........363
Rear air conditioning system....... 369
S-FLOW mode ..................................363 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Airbag warning light ........................ 703
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 44
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags............................................... 43
Side airbag operating conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 44
Side and curtain shield
airbags precautions ......................... 39
SRS airbags ............................................. 36
Alarm ............................................................ 72 Alarm ...........................................................72
Warning buzzer ....................... 702, 712
Anchor brackets.......................................62
Antennas (smart access system with push-button start) .....................105
Anti-lock Brake System (ABS) .......269 Function .................................................. 269
Warning light ....................................... 703
Warning message............................... 716
Approach warning (dynamic radar cruise control).......................... 221
Armrest .................................................... 585
A
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834Alphabetical index
GS350_OM_OM30D41U_(U)
Hands-free system (for cellular phone) ........................... 495
HD Radio
® system .............................. 404
Head restraints ....................................... 138
Headlights .................................................192 Adaptive Front-lighting System (AFS) .................................... 194
Discharge headlights precautions....................................... 689
Headlight leveling warning message .............................716
Light switch ............................................ 192
Replacing light bulbs ....................... 687
Wattage .................................................. 777
Headlights aim............................. 674, 818
Headlights cleaner............................... 205
Head-up display....................................... 92
Heaters Air conditioning system ................. 353
Heated steering wheel ....................579
Seat heaters ........................................... 581
Outside rear view mirrors ............. 374
Hill-start assist control .........................277
Horn .............................................................. 191
Hood .......................................................... 626
Open ........................................................626
Warning message ...............................719
Hooks Cargo hooks ......................................... 571
Coat hooks .......................................... 590
Retaining hooks (floor mat) ............. 26
Luggage hook ...................................... 571
Utility hook ............................................592 I/M test ......................................................622
Identification
Engine ..................................................... 769
Vehicle .................................................... 769
Ignition switch (engine switch) ......... 173
Illuminated entry system ................... 563
Immobilizer system .................................70
Indicators ..................................................... 79
Initialization
Maintenance ....................................... 616
Moon roof ............................................... 152
Power windows....................................148
Tire pressure
warning system ............................... 644
Initiators (tire pressure
warning system) ................................ 650
Inside door handle lights ..................... 561
Inside rear view mirror......................... 142
Instrument panel light control ............ 82
Interior lights ............................................ 561
Intuitive parking assist ........................ 240
Function .................................................. 240
Warning message................... 715, 722
Jack Positioning a floor jack.................... 627
Vehicle-equipped jack ....................737
Jack handle ..................................................737
Jam protection function Moon roof ................................................ 151
Power trunk opener and closer ............................................125
Power windows....................................148
HI
J
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837Alphabetical index
GS350_OM_OM30D41U_(U)
Paddle shift switches ............................ 182
Parking assist sensors (intuitive parking assist) .................. 240
Parking brake.......................................... 188 If the parking brake
cannot be released........................ 752
Operation ...............................................188
Parking brake engaged warning buzzer ................................. 721
Parking brake engaged warning message ............................. 721
Parking lights............................................192 Light switch ............................................ 192
Replacing light bulbs ....................... 687
Welcome light
illumination control ......................... 103
PCS (Pre-Collision System) ............ 279
Function .................................................. 279
PCS OFF switch ................................. 281
Warning light .......................................704
Warning message ........................ 714, 723, 728
Personal lights........................................ 562
Power easy access system .................132
Power outlets ..........................................577
Power steering (Electric Power Steering system) ................................ 270
Warning light .......................................703
Warning message ............................... 717
Power trunk opener and closer .......123 Power windows....................................... 147
Door lock linked
window operation ...........................149
Jam protection function....................148
Operation................................................ 147
Window lock switch .......................... 147
Pre-Collision System (PCS).............279 Function .................................................. 279
PCS OFF switch ..................................281
Warning light ....................................... 704
Warning message........................ 714, 723, 728
Radar cruise control (dynamic radar cruise control).......................... 215
Radiator.................................................... 636
Radio ......................................................... 399
RBDS (Radio Broadcast Data Systems) .................................... 402
Rear air conditioning system........... 369
Rear personal lights ............................ 562
Rear side marker lights ........................ 192 Light switch............................................. 192
Replacing light bulbs ....................... 687
Welcome light
illumination control......................... 103
Rear door sunshades.......................... 587
Rear seat heaters ...................................581
Rear sunshade ....................................... 586
Operation............................................. 586
Reverse operation feature ............587
P
R
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
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