Installation Procedure
WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Install the new high frequency antenna (3), high frequency antenna retainer (2), and high frequency antenna bolt (1) through the roof opening as an assembly.
- High Frequency Antenna Bolt (1) - Tighten - Fastener Specifications
- Ensure the high frequency antenna retainer (2) is properly compressed, securely retaining the high frequency antenna (3) to the vehicles roof.
- Connect the electrical connectors.
Install a NEW retainer. Do NOT reuse the old retainer. (1) [ 2x ]
Install the headlining trim panel (1).
- Place both the driver and passenger seats in the fully upright position.
Quarter Upper Trim Panel (1) - Install
Quarter Window Trim Finish Panel Bolt (2) - Install and tighten - Fastener Specifications
- Quarter Window Trim Finish Panel Bolt Cap (1) - Install
- Fold the rear seat back to the upward position
Center Pillar Upper Trim Panel (1) - Install
Center Pillar Upper Garnish Molding Bolt (2) - Install and tighten - Fastener Specifications
- Center Pillar Upper Trim Panel Bolt Cap (1) - Install
Roof Rail Rear Assist Handle (2) - Install
- Roof Rail Rear Assist Handle Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications
Roof Rail Assist Handle (2) - Install
- Roof Rail Assist Handle Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications
- Enable the SIR System. SIR Disabling and Enabling
CAUTION:
Refer to Fastener Caution .