IF YOU CONFIRM: * A rattle is coming from the rear of the vehicle when the audio system is on. * Rattle is more pronounced with high volume and/or low frequencies. * Rattle can be from the left or the right rear and will stop if pressure is appied to either of the rear C-Piller finishers. ACTION: * Apply felt tape to both of the C-pillar finishers at the area shown in Figure 4, on page 2. See this bulletin for further details.