2017 TOYOTA TUNDRA Owners Manual

4417-3. Do-it-yourself maintenance
7
Maintenance and care
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 the maintenance
schedule. In dusty areas or areas with heavy traffic flow, early 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 vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
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6
Replacement method

4427-3. Do-it-yourself maintenance
NOTICE
■When using the ai r conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the
system.

4437-3. Do-it-yourself maintenance
7
Maintenance and care
Wireless remote control battery∗
Lithium battery CR2032Remove the cover using a coin
protected with tape, etc.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
∗: If equipped
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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2

4447-3. Do-it-yourself maintenance
■Use a CR2032 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical 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.
CAUTION
■Removed battery and 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.
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 control.
● Do not bend either of the battery terminals.

4457-3. Do-it-yourself maintenance
7
Maintenance and care
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

4467-3. Do-it-yourself maintenance
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 amperage 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 replaced, a bulb may
need replacement. ( →P. 448)
● 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 from damage.
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1
2
Ty p e AType B
Ty p e C

4477-3. Do-it-yourself maintenance
7
Maintenance and care
CAUTION
■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 indicated, 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 by your Toy-
ota dealer as soon as possible.

4487-3. Do-it-yourself maintenance
Light bulbs
Check the wattage of the light bulb to be replaced. (→P. 528)
■Front
You may replace the following bulbs by yourself. The difficulty
level of replacement varies de pending on the bulb. If necessary
bulb replacement seems difficult to perform, contact your Toy-
ota dealer.
For more information about replacing other light bulbs, contact
your Toyota dealer.
Preparing for light bulb replacement
Bulb locations
Headlights
Front turn signal lights/parking li ghts (bulb type)/daytime running
lights (bulb type)
Front side marker lights
Fog lights (if equipped)1
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