The Subaru Ascent includes an intelligent power-saving feature designed to protect both the vehicle battery and the access key fob battery by automatically disabling the keyless access system under certain conditions.
Recovery from power saving mode
The Subaru Ascent keyless access system can be restored from power-saving mode by performing one of the following actions:
Power saving function of access key fob
This feature reduces battery consumption by temporarily disabling signal reception in the Subaru Ascent access key fob.
1. Press the "
"
button twice while holding the "
"
button.

2. Confirm that the LED indicator flashes four times, indicating that power-saving mode has been successfully activated.
While in this mode, the Subaru Ascent keyless access and push-button start functions will be temporarily unavailable.
To exit power-saving mode, simply press any button on the Subaru Ascent access key fob.
Using these Subaru Ascent advanced access and power-saving features ensures better battery efficiency, enhanced security, and reliable everyday operation of your vehicle.
Unlock using PIN Code Access
Disabling keyless access functionDtc u0101 lost communication with tcm
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