2009 Acura CSX Base, StandardFACTORY OEM SERVICE PROCEDURE

Hard Key

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic tests the interface dial, the buttons that surround it, and the audio remote switch For this model, the interface dial and buttons use the serial bus for communications

To complete the test, touch each button on the vehicle's control panel, and move the interface dial to each indicated position As each function is tested, the corresponding button on the display should highlight

To exit, push in and hold the selector knob

NOTE: You cannot use the onscreen return button to exit this function
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.