Q: How Can the Heater/Air Conditioning Controls Be Replaced in a Acura TL?A: For 2004 and later models, AC controls are combined with the audio and navigation display, allowing for simultaneous replacement. For 2003 and earlier models with navigation, the climate control is in the center console, separate from the audio, and can be replaced after removal. Without navigation, it's in the instrument cluster trim panel. Removal of the trim panel allows for extraction of the A/C switch.