Acura 2016 ILX 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/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, pull it out while
sliding the release knob. 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