2022 Subaru Ascent Replacing Key Battery Owners Manual

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2022 Subaru Ascent Replacing key battery

The access key fob/transmitter battery may be discharged under the following conditions.

The operation of the keyless access function is unstable.
The operating distance of the remote keyless entry system is unstable.
The transmitter does not operate properly when used within the standard distance.

Replace the battery with a new one.

CAUTION

Do not let dust, oil or water get on or in the access key fob/transmitter when replacing the battery.
Before replacing the battery, remove any static electricity.
Be careful not to touch or damage the printed circuit board in the access key fob/transmitter when replacing the battery.
Be careful not to allow children to touch the battery and any re-moved parts; children could swallow them.
There is a danger of an explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type of the battery.
Batteries should not be exposed to excessive heat such as bright sunlight, fire or the like.

NOTE

Replace only with the same or equivalent type of battery recommended by the manufacturer.
Dispose of used batteries according to local laws.
Mount the battery in the correct orientation to prevent fluid leakage. Be careful not to bend the terminals. It may result in a malfunction.
It is recommended that the battery be replaced by a SUBARU dealer.
Use a new battery.
After replacing the battery, confirm that the transmitter functions properly.

CAUTION
When removing or reinstalling the access key fob cover, make sure that the plastic part does not come off or become misaligned.

Battery: Button battery CR2032 or equivalent

1) Release button
2) Emergency key

Take out the emergency key.
Wrap a flat-head screwdriver with vinyl tape or a cloth, and insert it in the gap to remove the cover.
Take out the battery using a flat-head screwdriver with vinyl tape or a cloth.
Insert a new battery with its positive (+) side facing upward as shown in the figure.
Attach the cover to the access key fob by fitting the projections and recesses together.

Battery: Button battery CR1620 or equivalent

Wrap a flat-head screwdriver with vinyl tape or a cloth. Open the key head using a flat-head screwdriver.
Remove the transmitter case from the key head.
Open the transmitter case by releasing the hooks.
1. Negative (−) side facing up
Replace the old battery with a new battery making sure to install the new battery with the negative (−) side facing up.
Put together the transmitter case by fitting the hooks on the case.
Reinstall the transmitter case in the key head.
Refit the removed half of the key head.