2019 TOYOTA TUNDRA Owners Manual (in English)

5137-3. Do-it-yourself maintenance
7
Maintenance and care
Air conditioning filter
Turn the engine switch off.
Open the glove box.
Remove the tray.
Remove the cover by sliding up
while pulling toward you.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
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2
3
4

5147-3. Do-it-yourself maintenance
Remove the filter cover.
Pull the filter out of the filter out-
let.
Remove the air conditioning filter
and replace it with a new one.
The “UP” marks shown on the fil-
ter should be pointing up.
■ 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
“Scheduled 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.
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6
Replacement method

5157-3. Do-it-yourself maintenance
7
Maintenance and care
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.

5167-3. Do-it-yourself maintenance
Wireless remote control batter y
●Flathead screwdriver
● Small flathead screwdriver
● Lithium battery CR2016
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a rag.
To prevent the buttons from being
disassembled, face the button sur-
face downward.
Remove the module.
Open the case cover using a
coin protected with tape, etc.,
and remove the depleted bat-
tery.
Insert a new battery with the “+”
terminal facing up.
: If equipped
Replace the battery with a n ew one if it is depleted.
You will need the following items:
Replacing the battery
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2
3

5177-3. Do-it-yourself maintenance
7
Maintenance and care
■Use a CR2016 lithium battery
●Batteries can be purchased at your Toyota dealer, local electri cal appliance
shops or camera stores.
● Replace only with the same or equivalent type recommended by the manu-
facturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
● The operational range will be reduced.
WARNING
■Removed battery a nd other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
■ Certification for the lithium battery
CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN
INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO
THE INSTRUCTIONS
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
● Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other component inside the remote cont rol.
● Do not bend either of the battery terminals.

5187-3. Do-it-yourself maintenance
Checking and replacing fuses
Turn the engine switch off.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the
cover off.
Under the instrument panel
Remove the cover.
Remove the fuse with the pull-
out tool.
Only type A fuse can be removed
using the pullout tool.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
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2
3

5197-3. Do-it-yourself maintenance
7
Maintenance and care
Check if the fuse is blown.Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate ampera ge rat-
ing. The amperage rating can be found on the fuse box cover.
Type C:
Contact your Toyota dealer.
■ After a fuse is replaced
●If the lights do not turn on even after the fuse has been repla ced, a bulb may
need replacement. ( P. 521)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness f rom damage.
4
1
2
Ty p e AType B
Ty p e C

5207-3. Do-it-yourself maintenance
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
● Never use a fuse of a higher amperage rating than that indicate d, or use
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired b y your
Toyota dealer as soon as possible.