radio TOYOTA PRIUS PLUS 2017 User Guide

3456-3. Do-it-yourself maintenance
PRIUS +_OM_OM47B24E_(EE)
6
Maintenance and care
■Situations in which the tire pressure warning system may not operate
properly
●In the following cases, the tire pressure warning system may not operate
properly.
• If non-genuine Toyota wheels are used.
• When a replacement tire is used, the system may not operate correctly
due to the structure of the replacement tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the specified level.
• If wheel without the tire pressure warning valve and transmitter is used.
• If the ID code on the tire pressure warning valves and transmitters is not registered in the tire pressure warning computer.
● Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal noise
• When carrying a portable radio, cellular phone, cordless phone or other wireless communication device
● When the vehicle is parked, the time taken for the warning to start or go off
could be extended.
● When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.

486What to do if... (Troubleshooting)
PRIUS +_OM_OM47B24E_(EE)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional. (→P. 141)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately. ( →P. 143)
●Is the electronic key battery weak or depleted? ( →P. 361)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( →P. 210)
●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. 156)
●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. 147)
If you have a problem, check the following before contacting any
authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
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

500Alphabetical index
PRIUS +_OM_OM47B24E_(EE)
Power switch ............................ 207Auto power off function ......... 211
Changing the power switch modes...................... 210
If your vehicle has to be
stopped in an emergency ... 379
Starting the hybrid system ................................ 207
Power switch light ................... 290
Power windows Jam protection function ......... 191
Operation .............................. 191
Window lock switch ............... 191
Pre-Crash Safety system (PCS) Function ................................ 262
PCS switch............................ 263
Warning light ......................... 389
Warning message ......... 403, 403
Radar cruise control (dynamic radar cruise
control) ................................... 239
Radiator .................................... 334
Radio
*
Rear door sunshades .............. 308
Rear fog light Replacing light bulbs............. 372
Switch ................................... 226
Wattage ................................ 474
Rear passenger’s seat belt reminder light ........................ 392
Rear seat .......................... 174, 179 Adjustment .................... 174, 179
Second seats ........................ 174
Third seats ............................ 179
Rear sunshade ......................... 308
Rear turn signal lights
Replacing light bulbs............. 372
Turn signal lever ................... 221
Wattage ................................ 474
Rear view mirror Inside rear view mirror .......... 187
Outside rear view mirrors...... 189
Rear view monitor system
*
Rear window defogger ............ 283
Rear window wiper .................. 231
Refueling .................................. 232 Capacity ................................ 467
Fuel types ............................. 467
Opening the fuel tank cap ..... 234
Regenerative braking ................ 82
Replacing Electronic key battery ........... 361
Fuses .................................... 363
Light bulbs ............................ 367
Tires .............................. 417, 431
Road accident cautions ............ 89R