2017 TOYOTA PRIUS C Control lamp

912. Instrument cluster
2
Instrument cluster
PRIUS c_U (OM52J11U)
The indicators inform the driver of the operating state of the vehicle’s
various systems.
Indicators
Turn signal indicator
( →P. 202)Shift position indicator
(→P. 199)
Headlight high beam
indicator ( →P. 204) “ECO MODE” indicator
(
→P. 199)
(U.S.A.)
Headlight indicator
(→P. 204)EV drive indicator lamp
(→P. 75)
(Canada)
Tail light indicator
(→P. 204)
(if equipped)
Cruise control indicator
(→P. 250)
(if equipped)
Front fog light indicator
(→P. 208)
(if equipped)
Cruise control set indica-
tor ( →P. 250)
*1
(if equipped)
Automatic High Beam
indicator ( →P. 245)*1, 2
Slip indicator ( →P. 265)
(if equipped)
Immobilizer system indi-
cator (→P. 84)*1VSC OFF indicator
(→P. 265)
(if equipped)
LDA indicator
(→P. 240)
“READY” indicator
( →P. 184, 188)
*1
(if equipped)
PCS warning light
(→P. 227)
EV drive mode indicator
( →P. 195)
SRS airbag
on-off indica-
tor ( →P. 52)*1

1233-1. Key information
3
Operation of each component
PRIUS c_U (OM52J11U)■
Key battery depletion
Vehicles without a smart key system
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. (→ P. 448)
Vehicles with a smart key system
● The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the hybrid
system stops. ( →P. 499)
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( →P. 448)
• The smart key system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
● To avoid serious deterioration, do not leave the electronic key within 3 ft. (1
m) of the following electrical appl iances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
• Table lamps
■ Replacing the battery
→P. 448
■ Confirmation of the registered key number (vehicles with a smart key
system)
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer for details.
■ If a wrong key is used (vehicles with a smart key system)
The key cylinder rotates freely to isolate inside mechanism.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. wireless remote control system) can be changed.
(Customizable features →P. 556)

4127-2. Maintenance
PRIUS c_U (OM52J11U)
The OBD system determines that a problem exists somewhere in the
emission control system. Your vehi cle may not pass the I/M test and
may need to be repaired. Contact your Toyota dealer to service the
vehicle.
● When the 12-volt 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.
Emission inspection an d maintenance (I/M)
programs
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 la mp still remains on after sev-
eral driving trips
If your vehicle does not pass the I/M test

413
7
Maintenance and care
PRIUS c_U (OM52J11U)
7-3. Do-it-yourself maintenance
Do-it-yourself service precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
ItemsCheck points
12-volt battery condition (→P. 428) • Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level
(→P. 425)
• FMVSS No.116 DOT 3 or SAE J1703 brake
fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power control
unit coolant level (→P. 423)
• “Toyota Super Long Life Coolant” or a similar
high quality ethylene glycol based non-sili-
cate, non-amine, non-nitrite and non-borate
coolant with long-life hybrid organic acid tech-
nology
For the U.S.A.:
“Toyota Super Long Life Coolant” is pre-mixed
with 50% coolant and 50% deionized water.
For Canada:
“Toyota Super Long Life Coolant” is pre-mixed
with 55% coolant and 45% deionized water.
• Funnel (used only for adding coolant)
Engine oil level (→P. 420)• “Toyota Genuine Motor Oil” or equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses ( →P. 451)• Fuse with same amperage rating as original
Light bulbs (→P. 455)
• Bulb with same number and wattage rating as
original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser
(→P. 425)⎯
Tire inflation pressure
(→ P. 441)• Tire pressure gauge
• Compressed air source

4788-2. Steps to take in an emergency
PRIUS c_U (OM52J11U)
Warning lightWarning light/Details/Actions
Charging system warning lightIndicates a malfunction in the vehicle's charging system
→ Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The hybrid system;
• The electronic engine control system; or
• The electronic throttle control system
→ Have the vehicle inspected by your Toyota dealer
immediately.
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 Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
→ Have the vehicle inspected by your Toyota dealer
immediately.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
→ Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)Parking brake warning light (warning buzzer)*2
Indicates that the parking brake is engaged
→ Release the parking brake.

5429-1. Specifications
PRIUS c_U (OM52J11U)■
Non-recommendation of the use of blended gasoline
●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.
■ 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)

595Alphabetical index
PRIUS c_U (OM52J11U)
Warning buzzersBrake system ....... ................. 477
Electric power steering system ......... ....................... 478
Key reminder ........................ 495
LDA
(Lane Departure Alert)........ 240
Master warning ..................... 479
Pre-Collision warning ............ 480
Seat belt reminder ................ 479
Warning lights
Anti-lock brake system.......... 478
Brake assist system .............. 478
Brake system ....... ................. 477
Charging system ................... 478
Electric power steering system ......... ....................... 478
Front passenger occupant classification system........... 478
Low brake fluid...................... 477
Low fuel level ........................ 479
Low tire inflation pressure ..... 480
Malfunction indicator lamp .... 478
Master warning light.............. 479
Parking brake........................ 478
PCS warning light ................. 480
Pretensioners........................ 478
Seat belt reminder light ......... 479
Slip indicator light.................. 479
SRS airbag system ............... 478
Tire pressure......................... 480
Tire pressure warning system ......... ....................... 480 Warning messages.................. 486
Washer
Checking............................... 427
Preparing and checking before winter ...................... 273
Switch ........................... 210, 214
Washing and waxing ............... 400
Weight Cargo capacity...................... 181
Load limits ............................ 181
Weight .................................. 532
Wheels ...................................... 444
Window lock switch ................ 160
Windows Power windows..................... 160
Rear window defogger.......... 376
Washer ......................... 210, 214
Windshield wipers ................... 210
Wireless remote control key Replacing the key battery ..... 448
Wireless remote control ........ 121
WMA disc ................................. 300
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