2021 TOYOTA C-HR air conditioning

339
6Maintenance and care
C-HR_OM_USA_OM10684U6-1. Maintenance and care
Cleaning and protecting the vehicle exterior ................ 340
Cleaning and protecting the vehicle interior ................. 344 6-2. Maintenance
Maintenance requirements ................... 347
General maintenance........ 350
Emission inspection and maintenance (I/M)
programs......................... 354
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ..................... 355
Hood ................................. 358
Positioning a floor jack ...... 360
Engine compartment ......... 361
Tires .................................. 376
Tire inflation pressure ....... 386
Wheels .............................. 390
Air conditioning filter.......... 393
Wireless remote control/ electronic key battery ...... 397
Checking and replacing fuses ............................... 401
Headlight aim (vehicles with front fog lights) ......... 405
Light bulbs......................... 407

3436-1. Maintenance and care
6
Maintenance and care
C-HR_OM_USA_OM10684U
NOTICE
■Cleaning the exterior lights
● Wash carefully. Do not use organic substances or scrub with a h ard brush.
This may damage the surfaces of the lights.
● Do not apply wax to the surfaces of the lights.
Wax may cause damage to the lenses.
■ To prevent damage to th e windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side
wiper arm upward first, and then the passenger side. When returning the
wipers to their original position, do so from the passenger sid e first.
■ When using a high pressure car wash
● When washing the vehicle, do not let water of the high pressure washer hit
directly or the vicinity of the camera. Due to the shock from t he high pres-
sure water, it is possible the device may not operate as normal .
● Do not spray water directly on the radar which is equipped behind the
emblem. Otherwise it may cause the device to be damaged.
● Do not bring the nozzle tip close to boots (rubber or resin man ufactured
cover), connectors or the following parts. The parts may be dam aged if
they come into contact with high-pressure water.
• Traction related parts
• Steering parts
• Suspension parts
• Brake parts
● Keep the cleaning nozzle at least 11.9 in. (30 cm) away from th e vehicle
body. Otherwise resin section, such as moldings and bumpers, ma y be
deformed and damaged.
Also, do not continuously hold the nozzle in the same place.
● Do not spray the lower part of the windshield continuously.
If water enters the air conditioning system intake located near the lower
part of the windshield, the air conditioning system may not ope rate cor-
rectly.
● Do not wash the underside of the vehicle using a high pressure car
washer.
■ When raising the windshield wiper arms
Make sure to hold the hook parts of the
wiper arms to raise them.
Do not hold only the wiper blades when
raising them, or it may cause deformation
of the wiper blades.
Hook parts

3576-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
WARNING
■When working near the electric cooling fan or radiator grille
Vehicles without a smart key system: Be sure the engine switch is off. With
the engine switch in the “ON” position, the electric cooling fan may automat-
ically start to run if the air conditioning is on and/or the co olant temperature
is high. ( P. 366)
Vehicles with a smart key system: Be sure the engine switch is off. With the
engine switch in IGNITION ON mode, the electric cooling fan may automat-
ically start to run if the air conditioning is on and/or the co olant temperature
is high. ( P. 366)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc.,
from getting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter removed may cause excessive engine wear
due to dirt in the air.

3936-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Air conditioning filter
Turn the engine switch off.
Open the glove box. Slide off
the damper.
Push in each side of the glove
box to disconnect the claws,
and then slowly and fully open
the glove box while supporting
it.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
1
2
3

3946-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
With the glove box fully open,
slightly lift up the glove box and
pull toward the seat to detach
the bottom of the glove box.
Do not use excessive force if the
glove box does not detach when
lightly pulled. Instead, pull toward
the seat while slightly adjusting the
height of the glove box.
Ty p e A
Remove the filter cover.
Remove the air conditioning fil-
ter and replace it with a new
one.
The “UP” marks shown on the fil-
ter should be pointing up.
When installing, rever se the steps listed.
4
5
6
7

3956-3. Do-it-yourself maintenance
6
Maintenance and care
C-HR_OM_USA_OM10684U
Ty p e B
Remove the filter cover.Unlock the filter cover.
Move the filter cover in the
direction of the arrow, and
then pull it out of the claws.
Remove the filter case.
Remove the air conditioning fil-
ter from the filter case and
replace it with a new one.
The “ UP” marks shown on the fil-
ter should be pointing up.
When installing, rever se the steps listed.
5
6
7
8

3966-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10684U
■Checking interval
Inspect and replace the air conditioning filter according to th e maintenance
schedule. In dusty areas or areas with heavy traffic flow, earl y replacement
may be required. (For scheduled maintenance information, please refer to the
“Schedule maintenance guide” or “Owner’s Manual Supplement”.)
■ If air flow from the ven ts decreases dramatically
The filter may be clogged. Check the filter and replace if nece ssary.
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause da mage to the
system.
■ When removing the glove box
Always follow the specified procedure to remove the glove box ( P. 393). If
the glove box is removed without following the specified proced ure, the
hinge of the glove box may become damaged.
■ To prevent damage to the filter cover
When moving the filter cover in the direc-
tion of arrow to release the fitting, pay
attention not to apply excessive force to
the claws. Otherwise, the claws may be
damaged.

4327-2. Steps to take in an emergency
C-HR_OM_USA_OM10684U
If you think something is wrong
●Fluid leaks un der the vehicle.
(Water dripping from the air conditioning a fter use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temperature gauge needle continually points high er
than normal.
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
● Engine misses, stumbli ng or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one s ide when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touch es
the floor
If you notice any of the followi ng symptoms, your vehicle proba -
bly needs adjustment or repair. Contact your Toyota dealer as
soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms