air conditioning LEXUS RX350 2011 Owner's Guide

507
4-3. Do-it-yourself maintenance
4

Maintenance and care
21PA N E L10 A
Switch illumination, navigation system,
headlight cleaner, windshield wiper
de-icer, seat heater, power back door,
audio system, multi-information dis-
play, air conditioning system
22TA I L10 A
Parking lights, side marker lights, tail
lights, license plate lights, front fog
lights, towing converter
23AIR SUS20 A
24P-S E AT R H30 APower seat (right-side)
25OBD7. 5 AOn-Board diagnosis
26FR DOOR25 AFront power window (right-side)
27RR DOOR25 ARear power window (right-side)
28FL DOOR25 AFront power window (left-side)
29RL DOOR25 ARear power window (left-side)
30FR WASH25 AWindshield wipers and washer
31RR WIP15 AWindshield wipers and washer
32RR WASH20 AWindshield wipers and washer
33FR WIP30 AWindshield wipers and washer
34ECU IG210 AStarter system, Intuitive parking assist,
AWD s y s t e m
35GAUGE NO. 27. 5 AStarter system
36RH S-HTR15 ASeat heater (right-side)
37LH S-HTR15 ASeat heater (left-side)
FuseAmpereCircuit

5

When trouble arises
531
5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
nVisible symptoms
lFluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
lFlat-looking tires or uneven tire wear
lEngine coolant temperature gauge needle continually points
higher than normal.
nAudible symptoms
lChanges in exhaust sound
lExcessive tire squeal when cornering
lStrange noises related to the suspension system
lPinging or other noises related to the engine
nOperational symptoms
lEngine missing, stumbling or running rough
lAppreciable loss of power
lVehicle pulls heavily to one side when braking
lVehicle pulls heavily to one side when driving on a level road
lLoss of brake effectiveness, spongy feeling, pedal almost touches
the floor

5

When trouble arises
587
5-2. Steps to take in an emergency
If your vehicle overheats
If your engine overheats:
Stop the vehicle in a safe place and turn off the air conditioning
system.
Check to see if steam is coming out from under the hood.
If you see steam:
Stop the engine. Carefully lift the hood after the steam sub-
sides and then restart the engine.
If you do not see steam:
Leave the engine running and carefully lift the hood.
Remove the engine compartment cover. (→P. 464)
Check to see if the cooling fan is operating.
If the fan is operating:
Wait until the temperature of the engine (shown on the instru-
ment panel) begins to fall and then stop the engine.
If the fan is not operating:
Stop the engine immediately and call your Lexus dealer.
After the engine has cooled
down sufficiently, check the
engine coolant level and inspect
the radiator core (radiator) for
any leaks.
STEP1
STEP2
STEP3
STEP4
STEP5

615
6-1. Specifications
6

Vehicle specifications
Warning: The temperature grades for this tire are established for a tire that
is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either separately or in
combination, can cause heat buildup and possible tire failure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire 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-
sure
The maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressure
Cold 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

648
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WDTwo Wheel Drive
4WDFour Wheel Drive
A/CAir Conditioning
ABSAnti-lock Brake System
AFSAdaptive Front-lighting System
AI-SHIFTArtificial Intelligence Shift control
ALRAutomatic Locking Retractor
AW DAll Wheel Drive
CRSChild Restraint System
DISPDisplay
ECTElectronic Controlled Transmission
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
EPSElectric Power Steering
GAWRGross Axle Weight Ratings
GCWRGross Combination Weight Rating
GVWRGross Vehicle Weight Rating
I/MEmission Inspection and Maintenance
LATCHLower Anchors and Tethers for Children
LEDLight Emitting Diode
MMTMethylcyclopentadienyl Manganese Tricarbonyl
M + SMud and Snow

650
Alphabetical index
Alphabetical index
A/C
Air conditioning filter ....................... 493
ABS.............................................................. 231
ACCESSORY mode .......................... 153
Active torque control
AWD mode ........................................... 231
AFS .............................................................. 186
Adaptive front lighting system ......... 186
Air conditioning filter ..........................493
Air conditioning system ..................... 274
Automatic air conditioning
system..................................................... 274
Airbags
Airbag operating conditions ........... 113
Airbag precautions for your
child .......................................................... 117
Airbag warning light ........................ 536
Curtain shield airbag operating
conditions .............................................. 113
Curtain shield airbag
precautions ........................................... 117
Front passenger occupant
classification system ........................122
General airbag precautions ............ 117
Locations of airbags ..........................109
Modification and disposal of
airbags..................................................... 121
Proper driving posture.............107, 117
Side airbag operating
conditions .............................................. 113
Side airbag precautions..................... 117
SRS airbags ............................................109
A

651
Alphabetical index
Alarm ..........................................................103
Anti-lock brake system........................ 231
Armrest ......................................................418
Audio input ..............................................337
Audio system
Audio input ............................................337
AUX port ...............................................337
CD player/changer ..........................297
iPod ............................................................ 317
MP3/WMA disc ............................... 307
Optimal use.......................................... 334
Portable audio device......................337
Radio........................................................ 287
Steering wheel audio switch........ 339
USB memory ...................................... 325
USB port................................................ 325
Automatic air conditioning system
Air conditioning filter........................493
Air conditioning system .................. 274
Automatic headlight leveling
system ..................................................... 188
Automatic high beam system ........... 189
Automatic light control system ........ 184
Automatic transmission
Automatic transmission ................... 159
If the shift lever cannot be
shifted from P ...................................579
S mode ....................................................... 161
AUX port ................................................. 337