2015 Lexus GS350 air condition

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GS350_OM_OM30E15U_(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 expe rienced. (For example,
the vehicle speed does not increase.)
●Steam is coming from under the hood.
Correction procedures
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5307-2. Steps to take in an emergency
GS350_OM_OM30E15U_(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 fa ns 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, tu rn 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 and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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GS350_OM_OM30E15U_(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

596Alphabetical index
GS350_OM_OM30E15U_(U)
Alphabetical index
A/C ............................................................. 301Air conditioning filter........................425
Changing the rear seat settings .................................................. 313
Front automatic air conditioning system ................................................... 301
Humidity sensor ...................................317
Micro dust and pollen filter ............ 315
Rear air conditioning system..........321
S-FLOW mode ................................... 315
ABS (Anti-lock Brake System)....... 249 Function ..................................................249
Warning light .........................................471
Warning message ............................ 484
Adaptive Front-lighting system (AFS) ....................................................... 198
Adaptive Variable Suspension system (AVS) ............. 250
AFS (Adaptive Front-lighting System) ................................................... 198
Air conditioning filter .......................... 425
Air conditioning system ...................... 301 Air conditioning filter........................425
Changing the rear seat settings .................................................. 313
Front automatic air conditioning system ................................................... 301
Humidity sensor ...................................317
Micro dust and pollen filter ............ 315
Rear air conditioning system..........321
S-FLOW mode ................................... 315 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Airbag warning light .......................... 471
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.................... 470, 480
Anchor brackets...................................... 59
Antennas (smart access system with push-button start) .....................109
Anti-lock Brake System (ABS) .......249 Function .................................................. 249
Warning light ......................................... 471
Warning message............................. 484
Approach warning (dynamic radar cruise control).........................225
Armrest .................................................... 353
A

602Alphabetical index
GS350_OM_OM30E15U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ........................................ 142
Headlights .................................................196 Adaptive Front-lighting System (AFS) .................................... 198
Discharge headlights precautions ........................................457
Headlight leveling warning message .......................... 484
Light switch ............................................ 196
Replacing light bulbs ....................... 455
Wattage ................................................. 545
Headlights aim ........................... 442, 586
Headlights cleaner............................... 209
Head-up display....................................... 92
Heaters Air conditioning system ................... 301
Heated steering wheel .................... 347
Seat heaters ..........................................349
Outside rear view mirrors .............326
Hill-start assist control ........................ 257
Horn ............................................................ 195
Hood .......................................................... 394 Open ........................................................394
Warning message .............................487
Hooks Cargo hooks ........................................339
Coat hooks .......................................... 358
Retaining hooks (floor mat) ............. 26
Luggage hook .....................................339
Utility hook ........................................... 360 I/M test ..................................................... 390
Identification............................................537
Engine ..................................................... 537
Vehicle .................................................... 537
Ignition switch (engine switch) ......... 177
Illuminated entry system ..................... 331
Immobilizer system .................................70
Indicators ..................................................... 79
Initialization Maintenance ..................................... 384
Moon roof ............................................... 157
Power windows.................................... 152
Tire pressure warning system ................................. 412
Initiators (tire pressure warning system) .................................. 418
Inside door handle lights ................... 329
Inside rear view mirror......................... 146
Instrument panel light control ............ 82
Interior lights .......................................... 329
Intuitive parking assist
*
Function*
Warning message................ 483, 490
Jack Positioning a floor jack....................395
Vehicle-equipped jack .................. 505
Jack handle ................................................ 505
Jam protection function Moon roof ...............................................156
Power trunk opener and closer ............................................ 129
Power windows.................................... 152
HI
J

605Alphabetical index
GS350_OM_OM30E15U_(U)
Paddle shift switches ............................ 186
Parking assist sensors (intuitive parking assist)
*
Parking brake...........................................192 If the parking brake cannot be released ....................... 520
Operation ............................................... 192
Parking brake engaged warning buzzer .............................. 489
Parking brake engaged warning message .......................... 489
Parking lights ............................................196 Light switch ............................................ 196
Replacing light bulbs ....................... 455
Welcome light illumination control ......................... 107
PCS (Pre-Collision System) ............ 259 Function ..................................................259
PCS OFF switch ................................. 261
Warning light ....................................... 472
Warning message .......................482, 491, 496
Personal lights........................................ 330
Power easy access system .................136
Power outlets ......................................... 345
Power steering (Electric Power
Steering system) ................................ 250 Warning light .........................................471
Warning message ............................ 485
Power trunk opener and closer ....... 127 Power windows........................................ 151
Door lock linked window operation ...........................153
Jam protection function.................... 152
Operation................................................. 151
Window lock switch ........................... 151
Pre-Collision System (PCS)............ 259 Function .................................................. 259
PCS OFF switch .................................. 261
Warning light ........................................472
Warning message....................... 482, 491, 496
Radar cruise control (dynamic radar cruise control).......................... 219
Radiator.................................................... 404
Radio
*
RBDS (Radio Broadcast Data Systems)
*
Rear air conditioning system............. 321
Rear personal lights ............................ 330
Rear side marker lights ........................ 196 Light switch.............................................196
Replacing light bulbs .......................455
Welcome light illumination control ..........................107
Rear door sunshades.......................... 355
Rear seat heaters ................................. 349
Rear sunshade....................................... 354 Operation.............................................. 354
Reverse operation feature ............355
P
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*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.