NOTE
If you unlock the driver's door of your Subaru Ascent using a key (including the emergency key) while the alarm system is armed, opening the door will trigger the alarm, causing the vehicle horn to sound. To stop the alarm in the Subaru Ascent, perform one of the following actions:
How to lock and unlock the vehicle using the key

Using this method, only the driver’s door of the Subaru Ascent will be locked or unlocked.
NOTE
For Subaru Ascent models equipped with keyless access, the emergency key is directional. If insertion is difficult, rotate the key and try again.
How to lock the vehicle without using the key
The Subaru Ascent allows several convenient methods to lock the vehicle from the outside without using a key.
Locking using lock lever

This method locks only the specific door operated on the Subaru Ascent.
Locking using power door locking switch

*: Refer to "How to operate the power door locking switches" for more details.
Using this method, all doors, the rear gate, and the fuel filler lid of the Subaru Ascent will lock simultaneously.
NOTE
Always confirm that the Subaru Ascent key is not left inside the vehicle before locking the doors from the outside.
Door locks
Locking and unlocking from the insideList
BODY CONTROL SYSTEM (DIAGNOSTICS) > Read Current DataLISTItems to be displayedUnit of measureContentNoteBATT voltage (control)10 — 15 VBody integrated unit input valueAlwaysBATT voltage (BACKUP)10 — 15 VBody integrated unit input valueAlwaysIGN Voltage10 — 15 VBody integrated unit input val ...
Removal
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Control PanelREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Disconnect the ground cable from b ...
Center information display (CID)
WARNING
While operating the center information display in the Subaru Ascent, always
maintain full attention to driving conditions. If interacting with the display interferes
with your concentration, safely stop the vehicle before making any adjustments.
Looking at the screen for extended peri ...