Replace the battery with a new one if it is depleted.
â– If the key battery is depleted
The following symptoms may occur:
Items to prepare
Prepare the following before replacing the battery:
â– Use a CR2032 lithium battery
Replacing the battery
Vehicles without smart key system
1. Remove the cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the cover damaged.
To prevent damage to the key, cover the tip of the screwdriver with a rag.

2. Remove the battery cover.
If the battery cover is difficult to remove, lift the edge to remove it.

3. Remove the depleted battery.
When removing the battery, use a screwdriver of an appropriate size.
Insert a new battery with the "+" terminal facing up.

4. Install the battery cover with the tab facing up.
Push the entire edge of the battery cover into the key.

5. Install the key cover.
Align the key cover with the key and then press it straight into the key.
Make sure that the key cover is securely installed without any gaps between it and the key.

Vehicles with smart key system
1. Release the lock and remove the mechanical key.

2. Remove the key cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the cover damaged.
To prevent damage to the key, cover the tip of the flathead screwdriver with a rag.

3. Remove the depleted battery using a small flathead screwdriver.
When removing the cover, the electronic key module may stick to the cover and the battery may not be visible. In this case, remove the electronic key module in order to remove the battery.
When removing the battery, use a screwdriver of an appropriate size.
Insert a new battery with the "+" terminal facing up.

4. When installing, reverse the steps listed.
WARNING
â– Battery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
Doing so may cause chemical burns.
â– To prevent battery explosion or leakage of flammable liquid or gas
NOTICE
â– For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Moisture may cause the battery to rust.
Wiper insert replacement
Checking and replacing fusesSleep operation failure of occupant classification ecu
Description
During sleep mode, the occupant classification ecu reads the condition of
each sensor while the ignition
switch is off.
In this mode, if the occupant classification ecu detects an internal
malfunction, dtc b1796 is output.
Inspection procedure
Check for dtc
T ...
Main body ecu communication stop mode
Description
Wiring diagram
Inspection procedure
Notice:
Turn the ignition switch off before measuring the resistances of the
main wire and the branch
wire.
After the ignition switch is turned off, check that the key reminder
warning system and light
reminder warning syste ...
Diagnostic trouble code chart
Look for output diagnostic trouble codes (dtcs) (from the
dtc checks) in the appropriate section's diagnostic trouble
code chart. Use the chart to determine the trouble area and
the proper inspection procedure. A description of each of the
chart's columns are below.
Item
Description
...