2017 TOYOTA COROLLA radiator cap

4337-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM02494U)
Engine compartment
Washer fluid tank (→P. 443)
Engine oil filler cap
(→P. 435)
Engine oil level dipstick
(→P. 434)
Brake fluid reservoir
(→P. 439)Battery (→P. 441)
Fuse box (→P. 462)
Electric cooling fan
Engine coolant reservoir
(→P. 437)
Condenser (→P. 439)
Radiator (→P. 439)1
2
3
4
5
6
7
8
9
10

4377-3. Do-it-yourself maintenance
7
Maintenance and care
COROLLA_TMMMS_TMMC_U (OM02494U)
The coolant level is satisfactory if it is between the “F” and “L” lines on
the reservoir when the engine is cold.
Reservoir cap
“F” line
“L” line
If the level is on or below the “L”
line, add coolant up to the “F” line.
(→P. 535)
■Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high quality ethylene
glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with
long-life hybrid organic acid technology.
For the U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50% cool-
ant and 50% deionized water. (Minimum temperature: -31°F
[-35°C])
For Canada: “Toyota Super Long Life Coolant” is a mixture of 55% cool-
ant and 45% deionized water. (Minimum temperature: -44°F
[-42°C])
For more details about engine coolant, contact your Toyota dealer.
■If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine coolant reservoir caps, drain cock
and water pump.
If you cannot find a leak, have your Toyota dealer test the cap and check for
leaks in the cooling system.
Engine coolant
1
2
3

4387-3. Do-it-yourself maintenance
COROLLA_TMMMS_TMMC_U (OM02494U)
WARNING
■When the engine is hot
Do not remove the engine coolant reservoir cap or the radiator cap.
(→P. 537)
The cooling system may be under pressure and may spray hot coolant if the
cap is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of
water and antifreeze must be used to provide proper lubrication, corrosion
protection and cooling. Be sure to read the antifreeze or coolant label.
■If you spill coolant
Be sure to wash it off with water to prevent it from damaging parts or paint.

5368-2. Steps to take in an emergency
COROLLA_TMMMS_TMMC_U (OM02494U)
The coolant level is satisfactory
if it is between the “F” and “L”
lines on the reservoir.
Reservoir
“F” line
“L” line
Radiator cap
Add engine coolant if neces-
sary.
Water can be used in an emer-
gency if engine coolant is unavail-
able.
Start the engine to check that the radiator cooling fan operate and
to check for coolant leaks from the radiator or hoses.
4
1
2
3
4
5
6

5378-2. Steps to take in an emergency
8
When trouble arises
COROLLA_TMMMS_TMMC_U (OM02494U)
If the fan is not operating:
Stop the engine immediately and contact your Toyota dealer.
If the fan is operating:
Have the vehicle inspected at the nearest Toyota dealer.
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the hood, do not open the hood until
the steam has subsided. The engine compartment may be very hot.
●Keep hands and clothing (especially a tie, a scarf or a muffler) away from
the fan and belts.
7
●Do not loosen the radiator cap and the
coolant reservoir cap while the engine
and radiator are hot.
High temperature steam or coolant
could spray out.

606Alphabetical index
COROLLA_TMMMS_TMMC_U (OM02494U)
Paddle shift switches ...... 187, 188
Parking brake ........................... 194
Operation .............................. 194
Parking brake engaged
warning buzzer ................... 494
Parking brake engaged
warning message ............... 494
Parking lights ........................... 195
Light switch ........................... 195
Replacing light bulbs............. 468
Wattage ................................ 551
PCS (Pre-Collision
System) .................................. 216
Pre-collision brake assist ...... 217
Pre-collision braking ............. 217
Pre-collision warning............. 217
Personal lights ......................... 389
Power outlet ............................. 398
Power steering ......................... 262
Warning light ......................... 485
Power windows........................ 145
Jam protection function......... 146
Operation .............................. 145
Window lock switch............... 145Radiator .................................... 439
Radio
*...................................... 292
Rear interior light .................... 390
Rear seat
Folding down ........................ 134
Rear turn signal lights ............ 193
Replacing light bulbs ............ 469
Turn signal lever ................... 193
Wattage ................................ 551
Rear view mirror
Inside rear view mirror .......... 141
Outside rear view mirrors ..... 143
Rear view monitor system ...... 252
Rear window defogger .... 372, 380
Refueling .................................. 206
Capacity................................ 544
Fuel types ..................... 544, 552
Opening the fuel tank cap..... 207
Replacing
Electronic key battery ........... 459
Fuses .................................... 462
Light bulbs ............................ 465
Tires...................................... 513
Reporting safety defects
for U.S. owners...................... 580
Resetting the reminder light
or message indicating
maintenance is required....... 419
PR