Setting the Tone
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
BASS: Press this knob lightly so it extends. Turn the knob to increase or decrease bass.
TREB: Press this knob lightly so it extends. Turn the knob to increase or decrease treble. If a station is weak or noisy, you may want to decrease the treble.
Push these knobs back into their stored positions when you're not using them.