Acura ILX 2017 Owner's Manual page 112

Models without two-way keyless
access remote
Release Knob
Built-in Key
Models with two-way keyless access
remote
Release Knob
Built-in Key
The built-in key can be used to lock or unlock
the doors when the keyless access remote
battery becomes weak and the power door
lock/unlock operation is disabled.
To remove the built-in key, slide the release
knob and then pull out the key. To reinstall
the built-in key, push the built-in key into the
keyless access remote until it clicks.
uuLocking and Unlocking the DoorsuKey Types and Functions
Continued 111