2016 TOYOTA AURIS HYBRID overheating

4918-2. Steps to take in an emergency
UK AURIS_HV_HB_EE (OM12K47E)
8
When trouble arises
If a war ning light tur ns 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 necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
Brake system warning light in red (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioningThis light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
→ Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Continuing to drive the vehicle may be dangerous.
Brake system warning light in yellow
Indicates a malfunction in:
• The regenerative brake system; or
• The electronically controlled brake system
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
High engine coolant temperature warning light Indicates that the engine is almost overheating. ( →P. 544)
→ Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.

5448-2. Steps to take in an emergency
UK AURIS_HV_HB_EE (OM12K47E)
●The high engine coolant temperature ( →P. 491) is shown on the
multi-information display or a loss of hybrid system power is experi-
enced (for example, the vehicle speed does not increase).
● “Hybrid system overheated. Reduced output power.” is shown on
the multi-information display.
● Steam comes out from under the hood.
■If the high engine coolant temperature is shown on the multi-
information display
Stop the vehicle in a safe place and turn off the air conditioning
system, and then stop the hybrid system.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the hybrid system has
cooled down sufficiently,
inspect the hoses and radia-
tor core (radiator) for any
leaks.Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
any authorized Toyota dealer
or repairer, or another duly
qualified and equipped pro-
fessional.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

581Alphabetical index
UK AURIS_HV_HB_EE (OM12K47E)
Console box ............................. 395
Cooling system ........................ 430Hybrid system overheating ... 544
Cruise control .......................... 279
Cup holders .............................. 397
Curtain shield airbags ............... 38
Customizable features ............ 566
Daytime running light system .................................... 233
Deck board ............................... 400
Defogger Outside rear view mirrors ...... 384
Rear window ......................... 384
Windshield ............................ 384
Dimensions .............................. 552
Display Multi-information display ....... 106
Warning message ................ 498
Do-it-yourself maintenance .... 422
Door lock
Back door .............................. 129
Side doors ............................. 124
Smart entry & start system ........................ 124, 129
Wireless remote control ........ 124 Doors
Back door.............................. 129
Door lock....................... 124, 129
Door windows ....................... 186
Double locking system ............ 95
Open door warning buzzer......................... 127, 130
Outside rear view mirrors...... 183
Rear door child-protector ...... 127
Side doors............................. 124
Double locking system ............. 95
Drive information ..................... 110
Driving ...................................... 190 Break-in tips .......................... 191
Correct posture ....................... 32
Hybrid vehicle driving tips ..... 311 Procedures ........................... 190
Winter drive tips .................... 314
ECB (Electronically Controlled Brake System) .... 305
Eco drive mode ........................ 222
Electric motor (traction motor) ....................... 71
Electric Power Steering (EPS)....................................... 306
Warning light ......................... 492
Electronic key .......................... 120 Battery-saving function ....................... 136, 156
If the electronic key does not operate properly ................. 536
Replacing the battery ............ 459
Electronically Controlled Brake System (ECB) ............. 305
D
E
*: For vehicles with navigation/multimedia system, refer to “Navigation and multimedia system Owner’s manual”.

582Alphabetical index
UK AURIS_HV_HB_EE (OM12K47E)
Emergency, in case ofIf a warning light turns on ...... 491
If a warning message is displayed ............................ 498
If the 12-volt battery is
discharged .......................... 539
If the electronic key does not operate properly ........... 536
If the hybrid system will not start......................... 536
If the warning buzzer sounds ................................ 491
If you have a flat tire...... 507, 519
If you think something is wrong.................................. 490
If your vehicle becomes stuck ................................... 549
If your vehicle has to be
stopped in an emergency ... 483
If your vehicle needs to be towed .................................. 484
If your vehicle overheats............................ 544
Emergency brake signal ......... 306
Emergency flashers................. 482
Emergency tire puncture
repair kit ................................. 519
Energy monitor ........................ 115 Engine....................................... 554
ACCESSORY mode ............. 213
Compartment ........................ 427
Engine switch........................ 213
Hood ..................................... 424
How to start the hybrid system ................................ 211
Identification number ............ 553
If the hybrid system will not start ........................ 534
Ignition switch (power switch) .................... 211
Overheating .......................... 544
Power switch......................... 211
Engine coolant ......................... 430 Capacity ................................ 558
Checking ............................... 430
Preparing and checking before winter....................... 314
Warning light ......................... 491
Engine oil ................................. 428 Capacity ................................ 555
Checking ............................... 428
Preparing and checking before winter....................... 314
Engine switch .......................... 211
EPS (Electric Power Steering)................................. 306Warning light ......................... 492
EV drive mode.......................... 217

584Alphabetical index
UK AURIS_HV_HB_EE (OM12K47E)
Hood.......................................... 424Open ..................................... 424
Hooks Cargo hooks.......................... 399
Coat hooks............................ 409
Grocery bag hooks................ 399
Retaining hooks (floor mat) ..... 30
Horn .......................................... 179
Hybrid battery (traction battery) ...................... 75
Hybrid battery (traction battery) air vents ...... 76
Hybrid system ............................ 71 Emergency shut off system..... 76
Energy monitor/consumption screen ........... 115
EV drive mode ...................... 217
High voltage components ....... 75
Hybrid System Indicator ........ 104
Hybrid system precautions...... 75
Hybrid vehicle driving tips ..... 311
If the hybrid system will not start......................... 534
Overheating .......................... 544
Power (ignition) switch .......... 211
Starting the hybrid system .... 211
Hybrid System Indicator ......... 104
Hybrid transmission ................ 219 Identification ............................ 553
Engine................................... 553
Vehicle .................................. 553
Ignition switch (power switch) ....................... 211
Illuminated entry system ........ 393
Immobilizer system ................... 82
Indicators ................................. 101
Initialization Meter display settings ........... 112
Power windows ..................... 187
Tire pressure warning system .................. 440
Inside rear view mirror ............ 181
Interior lights............................ 390
Intrusion sensor ........................ 92
ISOFIX rigid anchors ................. 60I

586Alphabetical index
UK AURIS_HV_HB_EE (OM12K47E)
MaintenanceDo-it-yourself maintenance ... 422
Maintenance data ................. 552
Maintenance requirements ... 419
Malfunction indicator lamp ..... 492
Manual headlight leveling dial .......................................... 232
Master warning light ................ 494
Meter ......................................... 103
Indicators .............................. 101
Meter light control ................. 112
Meters ................................... 103
Multi-information display ....... 106
Settings ................................. 112
Warning lights ......................... 99
Meter light control ................... 112
Mirrors Inside rear view mirror .......... 181
Outside rear view mirror defoggers............................ 384
Outside rear view mirrors ...... 183
Vanity mirrors........................ 405
MP3 disc
*................................. 326
Multi-information display ........ 106 Drive information ................... 110
Language .............................. 113
LDA (Lane Departure Alert) ................................... 266
PCS (Pre-Crash Safety system) ....................... 251, 254
RSA (Road Sign Assist) ........ 274
Settings ................................. 112 Odometer.................................. 108
Oil
Engine oil .............................. 555
Opener Back door.............................. 129
Fuel filler door ....................... 245
Hood ..................................... 424
Outside rear view mirrors ....... 183
Adjusting and folding ............ 183
Outside rear view mirror defoggers ........................... 384
Outside temperature display.................................... 103
Overheating, Hybrid system ... 544
MO