1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk end trim.
b. Rear scuff plate (RH).
c. Trunk side trim (RH).
d. Theft-deterrent horn.
3. Apply battery positive voltage to horn terminal A, and connect the horn retaining bolt to ground as shown in the figure, and then verify that the horn sounds.

If the horn does not sound, replace the horn.
Horn Removal/Installation
Theft Deterrent Horn Removal/InstallationDoor Ajar Warning Light
Purpose
The door-ajar warning light notifies the driver that any door or the liftgate
is open.
Function
When the instrument cluster receives any of the following signals sent from
the rear body control module (RBCM) via the CAN signal, the door-ajar warning
light illumin ...
Air Bag Module And Pre Tensioner Seat Belt Deployment Procedures [Standard Deployment
Control System]
WARNING:
A live (undeployed) air bag module or pre-tensioner seat belt may accidentally
operate (deploy) when it is disposed of and cause serious injury. Do not dispose
of a live (undeployed) air bag module or pre-tensioner seat belt. If the SSTs
(Deployment tool and Adapter harness ...
Front Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Inner garnish.
b. Front door trim.
3. Disconnect the front door speaker connector..
4. Verify that the resistance and continuity between the front door speaker terminals
is as indicated in the table.
...