Page 521 of 688
5214-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73030U_(U) Remove the filter cover.
Remove the air conditioning
filter and replace it with a new
one. The “ UP” marks shown on
the filter should be pointing up.STEP 4
STEP 5
Page 522 of 688
5224-3. Do-it-yourself maintenance
VENZA_OM_OM73030U_(U) ■ 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, refer to the
“Scheduled Maintenance Guide”, “Owner’s Manual Supplement”.)
■ If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE■ To prevent damage to the system
When using the air conditioning system, make sure that a filter is always
installed.
Page 523 of 688
5234-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73030U_(U) Key batter y Replace the battery with a new one if it is discharged.
■ You will need the following items:
● Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag.)
● Small Phillips-hea d screwdriver
● Lithium battery
Vehicles with smart key system: CR1632
Vehicles without smar t key system: CR2025
■ Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.STEP 1
STEP 2
Page 524 of 688
5244-3. Do-it-yourself maintenance
VENZA_OM_OM73030U_(U) Remove the depleted battery. Insert a new battery with the
“+” terminal facing up.
■ Replacing the battery (vehicles without smart key system)
Remove the cover.
Remove the module.STEP 3
STEP 1
STEP 2
Page 525 of 688
5254-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73030U_(U) ■ If the electronic key battery is discharged
The following symptoms may occur.
● The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use a CR1632 (vehicles with smar t key system), or CR2025 (vehicles
without smart key system) lithium battery
● Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by a
Toyota dealer.
● Dispose of used batteries according to the local laws. Open the case cover using a
flathead screwdriver pro-
tected with tape etc. and
remove the depleted battery. Insert a new battery with the
“+” terminal facing up.STEP 3
Page 526 of 688
5264-3. Do-it-yourself maintenance
VENZA_OM_OM73030U_(U) CAUTION■ Removed battery and other parts
These parts are small and if swallowed by a child they can cause choking.
Keep away from children. 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 components inside the electronic key.
● Do not bend the battery terminals.
Page 527 of 688
5274-3. Do-it-yourself maintenance
4
Maintenance and care
VENZA_OM_OM73030U_(U) Checking and replacing fuses If any of the electrical componen ts do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Vehicles with smart key system:
Turn the “ENGINE START STOP” switch off.
Vehicles without smart key system:
Turn the engine switch to the “LOCK” position.
Open the fuse box cover.
Engine compartment
Push the tab in and lift the lid
off.
Driver’s side instrument panel
Remove the lid.STEP 1
STEP 2
Page 528 of 688
5284-3. Do-it-yourself maintenance
VENZA_OM_OM73030U_(U) After a system failure, see “Fuse layout and amperage rat-
ings” ( P. 529) for details about which fuse to check.
Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A
Normal fuse
Blown fuse Replace it with one of an
appropriate amperage rating.
The amperage rating can be
found on the fuse box lid.
Ty p e B
Normal fuse
Blown fuse Contact your Toyota dealer.STEP 3
STEP 4
STEP 5
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