CAUTION
When removing or reinstalling the access key cover, make sure that the plastic part does not come off or become misaligned.
Battery: Button battery CR2032

1. Take out the mechanical key.

2. Wrap a flat-head screwdriver with vinyl tape or a cloth, and insert it in the gap to remove the cover.

3. Take out the battery using a flat-head screwdriver with vinyl tape or a cloth.

4. Insert a new battery with its positive (+) side facing upward as shown in the figure.

5. Attach the cover to the access key by fitting the projections and recesses together.
Safety precautions
Replacing transmitter batteryUsing the Driver Monitoring System
User recognition
When a driver profile is registered, the Subaru Ascent utilizes facial recognition
technology to automatically identify the driver and apply personalized settings.
1. When the driver's door is opened while the push-button ignition switch is
OFF, the user recognition in ...
Removal
LIGHTING SYSTEM > Auto Headlight Beam Leveler Control ModuleREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Disconnect the ground cable fr ...
Dtc u0122 lost communication with vehicle dynamics control module
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data from VDC does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...