2020 Lexus GX460 coolant level

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GX460_OM_OM60R27U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspecte d by your Lexus dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer) Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning.
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Low engine oil pressure warning light*1
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
 Have the vehicle inspected by your Lexus dealer immediately.
High coolant temperature warning light (warning buzzer)*1
Indicates that the engine coolant temperature is too high
 Immediately stop the vehicle in a safe place. Handling method
( P. 546)
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.

5477-2. Steps to take in an emergency
GX460_OM_OM60R27U_(U)
7
When trouble arises
The coolant level is satisfactory if it is between the “F” and “L” lines on the res-
ervoir. Reservoir
“F”
“L”
Radiator cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditio ning 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 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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GX460_OM_OM60R27U_(U)
5718-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
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 un der that condition
Maximum inflation pres-
sureThe maximum cold inflated pr essure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in exce ss of those standard items
which may be replaced) of automatic transmission,
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 equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning 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 numb er of occupants specified
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 in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, not previously con-
sidered 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

616Alphabetical index
GX460_OM_OM60R27U_(U)
Size ........................................................... 560
Snow tires ..............................................367
Spare tire ................................................524
Tire pressure warning system ................................................. 465
Tools........................................................... 525
Towing Dinghy towing ...................................... 195
Emergency towing........................... 505
Towing hooks ..................................... 506
Trailer Sway Control ........................352
Trailer towing ......................................... 177
Trailer Sway Control........................... 352
TRAC (Traction Control) .................. 351
Transmission Automatic transmission ..................202
AVS switch ...........................................339
If the shift lever cannot be shifted from P .................................. 205
Trip meters ................................................. 88
Turn signal lights ................................... 207 Replacing light bulbs............................. 493, 494, 497
Turn signal lever .................................207
Wattage ................................................... 561
USB port
*
Vanity lights Vanity lights ............................................. 411
Wattage ................................................... 561
Vanity mirrors ........................................... 411
Vehicle identification number ......... 553
VSC (Vehicle Stability Control) ..... 351 Warning buzzers .................................... 511
Brake system .......................................... 511
Downshifting ........................................205
Intuitive parking assist...................... 269
LDA (Lane Departure Alert)....... 246
Open back door................................... 110
Open door .............................................. 110
Pre-collision warning....................... 235
Radar cruise control .......................... 261
Seat belt remainder ............................513
Warning lights .......................................... 511 ABS ............................................................ 512
Brake Override System ...................514
Brake system .......................................... 511
Charging system .................................. 511
Drive-Start Control ............................514
High coolant temperature ............... 511
KDSS.......................................................... 512
Low engine oil pressure ................... 511
Low fuel level .........................................513
Malfunction indicator lamp.............. 511
Open door .............................................513
Parking brake indicator .................... 512
PCS ............................................................ 512
Seat belt reminder light ....................513
Slip indicator .......................................... 512
SRS............................................................... 511
Tire pressure warning light .............513
Warning message................................ 520
Warning reflector holder.................. 402
Washer ....................................................... 218 Checking ............................................... 463
Preparing and checking before winter .................................... 367
Switch ........................................................218
Washing and waxing ...........................434
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