The Subaru Ascent alarm system is automatically armed when a specific sequence of actions is completed, ensuring reliable protection of the vehicle and its contents against unauthorized access.
1. Fully close all windows and the moonroof (if equipped), then turn the ignition switch of your Subaru Ascent to the "OFF" position.
2. Take the Subaru Ascent key or access key fob with you and exit the vehicle.
3. Confirm that the engine hood is securely closed.
4. Lock the Subaru Ascent using any of the following available methods:

Security indicator light
NOTE
When the Subaru Ascent alarm system is armed, all doors and the rear gate will lock, a single electronic chirp will sound, and the hazard warning lights will flash once. The security indicator light will begin flashing rapidly to indicate that the system is entering standby mode.
5. After approximately 30 seconds, the Subaru Ascent alarm system transitions into full surveillance mode.
Once in surveillance mode, the security indicator light will flash more slowly (approximately twice every 2 seconds), confirming that the Subaru Ascent is fully protected.
NOTE
This ensures proper cabin protection and prevents unauthorized entry.
Once the door is properly closed, the Subaru Ascent will automatically lock and arm itself after approximately 30 seconds.
Alarm system operation
Disarming the systemPreparation for date setting
Turn the ignition switch to the "ON"
position.
Push and hold the button to show
the selection screen.
After the selection screen is displayed,
operate the "
"
or "
" switch to show the
"Time/Date" item. Then, push the
button.
...
Selection of manual mode
In the Subaru Ascent, manual mode allows the driver to take direct control over
gear selection for a more engaging and responsive driving experience. Whether the
vehicle is stationary or in motion, you can activate this mode by moving the select
lever from the "D" (Drive) positio ...
Preparation tool
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of ...