
488What to do if... (Troubleshooting)
AYGO_OM_Europe_OM99R19E
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical 
keys can be made by any authorized Toyota retailer or Toyota authorized 
repairer, or any reliable repairer. ( P.  1 1 2 )
●Vehicles with a smart entry & start system  
If you lose your electronic keys, the risk of vehicle theft increases signifi- 
cantly. Contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately. ( P. 117)
●Is the key battery weak or depleted? (P. 383)
●Vehicles with a smart entry & start system  
Is the engine switch in IGNITION ON mode?  
When locking the doors, turn the engine switch off. ( P. 187)
●Vehicles with a smart entry & start system  
Is the electronic key left inside the vehicle?  
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. ( P. 122, 132)
●Is the child-protector lock set?  
The rear door cannot be opened from inside the vehicle when the lock is 
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 121)
If you have a problem, check the following before contacting any 
authorized Toyota retailer or Toyota authorized repairer, or any 
reliable repairer.
The doors cannot be locked, unlocked, opened or closed 
You lose your keys 
The doors cannot be locked or unlocked 
The rear door cannot be opened (5-door models) 

489What to do if... (Troubleshooting)
AYGO_OM_Europe_OM99R19E
●Vehicles with a multi-mode manual transmission 
Do you turn the key with the brake pedal depressed firmly? ( P. 182)
●Vehicles with a manual transmission  
Do you turn the key with the clutch pedal depressed firmly? ( P. 182)
●Is the battery discharged? (P. 461)
●Vehicles with a multi-mode manual transmission 
Did you press the engine switch while firmly depressing the brake pedal? 
( P. 185)
●Vehicles with a manual transmission 
Did you press the engine switch while firmly depressing the clutch pedal?
( P. 185)
●Is the electronic key anywhere detectable inside the vehicle? (P. 130)
●Is the steering wheel unlocked? (P. 188)
●Is the electronic key battery weak or depleted?  
In this case, the engine can be started in a temporary way. ( P. 459)
●Is the battery discharged? (P. 461)
●Vehicles without a smart entry & start system  
Is the engine switch in the “ON” position? 
If you cannot release the shift lever by depressing the brake pedal with the 
engine switch in the “ON” position:  P. 457
●Vehicles with a smart entry & start system  
Is the engine switch in IGNITION ON mode? 
If you cannot release the shift lever by depressing the brake pedal with the 
engine switch in IGNITION ON mode:  P. 457
If you think something is wrong 
The engine does not start  
(vehicles without a smart entry & start system) 
The engine does not start  
(vehicles with a smart entry & start system) 
The shift lever cannot be shifted even if you depress the 
brake pedal (vehicles with a multi-mode manual transmis- 
sion) 

490What to do if... (Troubleshooting)
AYGO_OM_Europe_OM99R19E
●Vehicles without a smart entry & start system  
It is locked to prevent theft of the vehicle if the key is removed from the 
engine switch. ( P.  1 8 3 )
●Vehicles with a smart entry & start system  
It is locked automatically to prevent theft of the vehicle. ( P. 188)
●The auto power off function will be operated if the vehicle is left in ACCES- 
SORY or IGNITION ON mode (the engine is not operating) for a period of 
time. ( P. 187)
●The seat belt reminder light is flashing  
Are the driver and the passengers wearing the seat belts? ( P. 421)
●The brake system warning light is on  
Is the parking brake released? ( P. 198)
Depending on the situation, other types of warning buzzer may also 
sound. ( P. 417) 
●When a warning light turns on, refer to P. 417.
The steering wheel cannot be turned after the engine is 
stopped 
The engine switch is turned off automatically  
(vehicles with a smart entry & start system) 
A warning buzzer sounds during driving 
A warning light turns on 

495Alphabetical index
AYGO_OM_Europe_OM99R19E
Emergency brake signal ......... 247 
Emergency flashers................. 406
Emergency tire puncture 
repair kit ................................. 427 
Engine 
“ACC” position....................... 182
Accessory mode ................... 187
Compartment ........................ 361
Engine switch ................ 182, 185
Hood ..................................... 358
How to start  
the engine................... 182, 185 
If the engine will not start ...... 455
Ignition switch 
(engine switch) ........... 182, 185
Overheating .......................... 465
Engine coolant ......................... 365 
Capacity ................................ 477 
Checking ............................... 365
Preparing and checking 
before winter....................... 253
Engine coolant 
temperature  
warning light .......................... 417 
Engine immobilizer system ...... 76
Engine oil.................................. 362
Capacity ................................ 474
Checking ............................... 362
Preparing and checking  
before winter....................... 253 
Engine switch 
(ignition switch) ............. 182, 185
EPS (Electronic Power 
Steering) ................................. 247
Function ................................ 247 
Warning light ......................... 419 
Flat tire 
Vehicles with a spare tire ...... 442 
Vehicles without 
a spare tire ......................... 427
Floor mats .................................. 26
Fluid
Brake .................................... 480 
Washer ................................. 370 
Fog lights ................................. 203
Replacing light bulbs..... 397, 400
Switch ................................... 203
Wattage ................................ 482
Follow me home system ......... 201
Front position lights ................ 199 
Light switch ........................... 199 
Replacing light bulbs............. 403
Front seats ............................... 152
Adjustment ............................ 152
Cleaning................................ 350
Correct driving posture ........... 28 
Seat heaters ......................... 332 
Front turn signal lights ........... 197
Replacing light bulbs............. 397
Turn signal lever ................... 197
Wattage ................................ 482
Fuel ........................................... 474 
Capacity ................................ 474 
Fuel gauge ............................ 101
Fuel pump shut off system.... 416
Information ............................ 483
Refueling............................... 209
Type .............................. 209, 474 
Warning light ......................... 422 
Fuel filler door.......................... 211
Refueling............................... 209
Fuel pump shut off system ..... 416
Fuses ........................................ 386
F 

496Alphabetical index
AYGO_OM_Europe_OM99R19E
Gauges...................................... 101 
Gear Shift Indicator ......... 192, 195 
Glove box ................................. 336
Grocery bag hooks .................. 339 
Hands-free system  
(for cellular phone)*.............. 306
Head restraints......................... 156
Headlights ................................ 199
Follow me home system ....... 201 
Light switch ........................... 199 
Replacing light bulbs ............. 396
Wattage................................. 482
Heaters
Automatic air conditioning 
system ................................ 326 
Manual air conditioning  
system ................................ 320
Seat heaters.......................... 332
Outside rear view 
mirrors ........................ 322, 328
High mounted stoplight 
Replacing .............................. 402 
Wattage................................. 482
Hood.......................................... 358
Hooks
Grocery bag hooks................ 339
Retaining hooks (floor mat) ..... 26 
Horn .......................................... 158 
Identification ............................ 473 
Vehicle .................................. 473 
Ignition switch 
(engine switch) .............. 182, 185
Immobilizer system ................... 76
Indicators ................................... 96
Initialization 
Tire pressure warning  
system ................................ 373
Inside rear view mirror ............ 160
Instrument cluster light 
control .................................... 106
Interior lights............................ 334
Switch ................................... 334 
Wattage ................................ 482 
ISOFIX rigid anchors ................. 55 
Jack 
Positioning a floor jack .......... 360
Vehicle-equipped jack... 429, 443 
Keyless entry 
Smart entry & 
start system ................ 119, 123 
Wireless remote  
control......................... 119, 123
Keys .......................................... 110
Battery-saving function ......... 132
Electronic key ....................... 110
Engine switch................ 182, 185 
If the electronic key does not  
operate properly ................. 458
G
H
I
J
K 

500Alphabetical index
AYGO_OM_Europe_OM99R19E
Sensor 
Automatic headlight 
system ................................ 201
LDA  
(Lane Departure Alert) ........ 214 
PCS (Pre-Collision 
system) ............................... 214
Service reminder indicators ..... 96
Shift lever
If the shift lever cannot be 
shifted ................................. 457 
Manual transmission ............. 195 
Multi-mode manual 
transmission ....................... 190
Shift lock system ..................... 457
Shopping bag hooks ............... 339
Side airbags ............................... 34 
Side mirrors.............................. 161 
Adjusting and folding............. 161
Side turn signal lights ............. 197
Replacing light bulbs ............. 403
Turn signal lever ................... 197
Smart entry & start system ..... 129 
Antenna location ................... 129 
Entry functions .............. 119, 123
Starting the engine ................ 185
Warning light ................. 421, 425
Snow tires................................. 255
Spare tire .................................. 442 
Inflation pressure .................. 480 
Storage location .................... 443 
Specifications .......................... 472 
Speed limiter ............................ 237
Speedometer ............................ 101
Steering lock .................... 183, 188 
Steering lock system  
warning light ....................... 426
Steering wheel ......................... 158
Adjustment ............................ 158
Audio switches ...................... 260
Stop & Start system ................ 240
Stop/tail lights 
Replacing light bulbs............. 400 
Wattage ................................ 482
Storage feature ........................ 335
Stuck
If the vehicle becomes 
stuck ................................... 468 
Sun visors ................................ 341 
Switch
Airbag manual on-off 
switch ................................... 47
Audio remote control 
switches.............................. 260 
Canvas top switch................. 166 
“DISP” button ........................ 103
Emergency flashers 
switch ................................. 406
Engine switch................. 182,185
Fog light switch ..................... 203 
Ignition switch ................ 182,185