Page 598 of 684
5988-2. Steps to take in an emergency
RC350/RCF_U (OM24636U)
The coolant level is satisfactory if it is between the “FULL” and “LOW” lines on
the reservoir.Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emerge ncy if coolant is unavailable.
Start the engine and turn the air conditioning system on to check that the radi-
ator 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 oper ating by checking the fan sound and air flow.
If it is difficult to check th ese, turn the air conditioning system on and off repeatedly.
(The fan 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.
4
1
2
3
RC350RC F
5
RC350RC F
6
7
Page 643 of 684
6439-2. Customization
9
Vehicle specifications
RC350/RCF_U (OM24636U)
■Active rear wing* ( P. 310)
*:If equipped
■Automatic air conditioning system ( P. 4 1 6 )
■Seat heaters* ( P. 4 2 6 )
*:If equipped
FunctionDefault settingCustomized setting
Operation of the active rear
wingOffOn—OO
123
FunctionDefault settingCustomized setting
A/C auto switch operationOnOffO—O
Exhaust gas sensor sensitiv-
ityStandard-3 to 3O—O
123
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnO—O
123
Page 664 of 684

664
RC350/RCF_U (OM24636U)Alphabetical index
Alphabetical index
A/C ..............................................................416
Air conditioning filter....................... 505
Automatic air conditioning system ................................................... 416
AAC disc ................................................. 352
ABS (Anti-lock Brake System)....... 282 Warning light ...................................... 533
Active rear wing..................................... 310
Active Sound Control (ASC)..........................................206, 207
Adaptive Variable Suspension system ........................... 283
Air conditioning filter ..........................505
Air conditioning system .......................416 Air conditioning filter....................... 505
Automatic air conditioning system ................................................... 416 Airbags ........................................................ 40
Airbag operating conditions ...........47
Airbag precautions for your child ........................................42
Correct driving posture .....................32
Curtain shield airbag operating conditions ........................47
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system......................... 50
General airbag precautions ............42
Locations of airbags............................ 40
Modification and disposal of airbags............................................... 46
Side airbag operating conditions ..............................................47
Side airbag precautions .....................42
Side and curtain shield airbags operating conditions ........................47
Side and curtain shield airbags precautions ..........................42
SRS airbags ............................................. 40
SRS warning light .............................. 533
A
Page 671 of 684

671Alphabetical index
RC350/RCF_U (OM24636U)
Front turn signal lights ........................ 204Replacing light bulbs ...............514, 519
Turn signal lever .................................204
Wattage ................................................... 619
Fuel ............................................................. 225 Capacity ................................................ 607
Fuel gauge ...................................... 90, 96
Fuel pump shut off system.............532
Information ........................................... 620
Refueling................................................. 225
Type ............................................. 225, 607
Warning light .......................................534
Fuel consumption Average fuel economy ........... 106, 112
Current fuel consumption ..... 106, 112
Fuel filler door ........................................ 225 If the fuel filler door cannot be opened ......................... 227
Refueling................................................. 225
Fuel gauge ..........................................90, 96
Fuel pump shut off system................. 532
Fuses ..........................................................509
Garage door opener .......................... 440
Gauges ................................................90, 96
Glove box ................................................ 432
Glove box light ...................................... 432 Hands-free system
(for cellular phone)........................... 378
HD Radio
® system .............................. 346
Head restraints......................................... 161
Headlight cleaner .................................. 217
Headlights ............................................... 208 Automatic High Beam system ......................................................211
Light switch...........................................208
Replacing light bulbs .........................519
Heaters Air conditioning system ...................416
Heated steering wheel ................... 425
Outside rear view mirrors ............ 420
Seat heaters .......................................... 426
Hill-start assist control ....................... 282
Hood ..........................................................475 Open ....................................................... 475
Hooks Cargo hooks ....................................... 434
Coat hooks ........................................... 439
Retaining hooks (floor mat)............. 30
Horn............................................................. 165
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H