Temperature Control Cable
WARNING: This page is about a different car, the 1995 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
Turn temperature control knob to maximum warm position. Remove glove box door to access cable. Remove control cable from mounting brace. With cable attached to door lever pin, push door lever down to its last stop. Secure cable housing to cable mounting brace. Test heating system for proper operation. Install glove box.