2015 TOYOTA TUNDRA service indicator

4027-2. Maintenance
Emission inspection and maintenance (I/M)
programs
The OBD system determines that a problem exists somewhere in the
emission control system. Your vehicl e may not pass the I/M test and
may need to be repaired. Contact your Toyota dealer to service the
vehicle.
● When the battery is disconnected or discharged
Readiness codes that are set duri ng ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may
not be completely set.
● When the fuel tank cap is loose
The malfunction indicator lamp comes on indicating a temporary
malfunction and your vehicle may not pass the I/M test.
The error code in the OBD system will not be cleared unless the vehi-
cle is driven 40 or more times.
Contact your Toyota dealer to prepare the vehicle for re-testing.
Some states have vehicle emission inspection programs which
include OBD (On Board Diagnos tics) checks. The OBD system
monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
Your vehicle may not pass the I/M test in the following situations:
When the malfunction indicator lamp still remains on after sev-
eral driving trips
If your vehicle does not pass the I/M test

5229-1. Specifications
■Non-recommendation of the use of blended gasoline (gasoline engine)
●If you use gasohol in your vehicle, be sure that it has an octane rating no
lower than 87.
● Toyota does not recommend the use of gasoline containing methanol.
■ Non-recommendation of the use of gasoline containing MMT
Some gasoline contains an octane enhancing additive called MMT (Methylcy-
clopentadienyl Manganese Tricarbonyl).
Toyota does not recommend the use of gasoline that contains MMT. If fuel
containing MMT is used, your emission control system may be adversely
affected.
The malfunction indicator lamp on the instrument cluster may come on. If this
happens, contact your Toyota dealer for service.
■ Toyota does not recommend blende d gasoline (Flex-fuel engine)
Do not use non-specified fuels such as the following.
● Fuels containing methanol.
● Fuels with more than 85% ethanol.
■ Toyota does not recommend the use of after-market fuel additives (Flex-
fuel engine)
Do not use any after-market fuel additives when repeatedly refueling with
E85, as some after-market fuel additives are not compatible with E85.
■ If your engine knocks
●Consult your Toyota dealer.
● You may occasionally notice light knocking for a short time while accelerat-
ing or driving uphill. This is normal and there is no need for concern.
●
Use only gasoline containing up to 15%
ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 15% etha-
nol, including from any pump labeled
E30, E50, E85 (which are only some
examples of fuel containing more than
15% ethanol).
DO NOT use gasoline contain-
ing more than 15% ethanol.
(30% ethanol)
(50% ethanol)
(85% ethanol)

572Alphabetical index
ReplacingFuses .................................... 435
Light bulbs ............................ 438
Tires ...................................... 476
Wireless remote control battery ................................ 433
Reporting safety defects
for U.S. owners ...................... 542
Resetting the message indicating maintenance is required ....... 398
Seat belts.................................... 32 Adjusting the seat belt ............ 33
Automatic Locking Retractor............................... 34
Child restra int system
installation ............................ 60
Cleaning and maintaining
the seat belt ........................ 395
Emergency Locking Retractor............................... 34
How to wear your seat belt ..... 32
How your child should wear the seat belt .......................... 34
Pregnant women, proper seat belt use ......................... 35
Reminder light and buzzer .... 466
Seat belt extender................... 34
Seat belt pretensioners ........... 33
SRS warning light ................. 465
Seat heaters ............................. 350
Seat position memory ............. 116
Seat ventilators ........................ 350
Seating capacity ...................... 156
Seats, Front .............................. 111 Adjustment ............................ 111
Adjustment precautions ........ 113
Child seats/child restraint system installation ................ 60
Cleaning................................ 394
Driving position memory ....... 116
Head restraints ..................... 120 Power easy access
system .......... ...................... 116
Properly sitting in the seat ...... 30
Seat heaters ......................... 350
Seat position memory ........... 116
Seat ventilators ..................... 350
Seats, Rear ............................... 114
Adjustment precautions ........ 115
Child seats/child restraint system installation ................ 60
Cleaning ............................... 394
Head restraints ..................... 120
Raising the bottom cushion ............................... 114
Sensor Automatic headlight
system .......... ...................... 190
Inside rear view mirror .......... 128
Intuitive parking assist .......... 202
Service reminder indicators ..... 84
Shift lever ................................. 181 Automatic transmission ........ 181
If the shift lever
cannot be shifted from P .... 492
Shift lock system ..................... 492
Side airbags ............................... 39
Side doors ................................ 100
Side marker lights ................... 188
Light switch ........................... 188
Replacing light bulbs .... 444, 449
Wattage ................................ 519
Side mirrors ............................. 130 Adjusting and folding ............ 130
BSM (Blind spot monitor)...... 217
Mirror position memory ......... 116
Side turn signal lights ............. 186 Replacing light bulbs .... 444, 449
Turn signal lever ................... 186
Wattage ................................ 519
Snow tires ................................ 242
Spare tire .................................. 476
Inflation pressure .................. 517
Replacing.............................. 476
Storage location.................... 477
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