Lexus ES: Electronic key battery
Replace the battery with a new one
if it is depleted.
■If the electronic key battery is depleted
The following symptoms may occur:
- The smart access system with push-button
start and wireless remote control will
not function properly.
- The operational range will be reduced.
Items to prepare
Prepare the following before replacing
the battery:
- Flathead screwdriver
- Small flathead screwdriver
- Lithium battery CR2032
■Use a CR2032 lithium battery
- Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
- Replace only with the same or equivalent
type recommended by the manufacturer.
- Dispose of used batteries according to
the local laws.
Replacing the battery
1. Take out the mechanical key.

2. Remove the cover.
To prevent damage to the key, wrap the tip
of the screwdriver with tape.

3. Remove the depleted battery.
Insert a new battery with the "+" terminal
facing up.

WARNING
■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
■When replacing the battery
Use a screwdriver of appropriate size.
Applying excessive force may deform or
damage the cover.
■For normal operation after replacing
the battery
Observe the following precautions to
prevent accidents:
READ NEXT:
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses
1. Turn the power switch off.
Vertical movement adjusting
bolts
Vehicles with single-beam headlights
Adjustment bolt A
Adjustment bolt B
Vehicles with triple-beam headlights
Adjustment bolt A
Adjustment bolt B
You may replace the following bulb
by yourself. Before replacing,
check the wattage of the light bulb
to be replaced. As there is a danger
that components may be damaged,
we recommend that replac
SEE MORE:
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Immediately after installing the brake pads, the braking performance
may be reduced. Always perform a road test in a safe place while paying
attention to the surroundings.
After replacing the front disc brake pads, the brake pedal m
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of
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