Installation Procedure

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Trailer Tire Pressure Indicator Module (1) - Install
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Verify that the trailer tire pressure indicator module is secured by the two retaining clips (1).
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Electrical Connector (1) @ Trailer Tire Pressure Indicator Module - Connect
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Underbody Rear Air Rear Deflector (1) - Install
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Underbody Rear Air Deflector Retainer (2) - Install [3x]

CAUTION:

Underbody Rear Air Rear Deflector Bolt (1) - Install and tighten [13x] - Fastener Specifications
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Rear Bumper Fascia Bolt (1) - Install and tighten [4x] - Fastener Specifications
Remove the support and lower the vehicle.
Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
Perform the trailer tire pressure sensor manual learn. Trailer Tire Pressure Sensor Manual Learn