Hi - This is the first time I've used the forum, so apologies if it's wrong in any way.
The subwoofers in the boot on my 2007 XJ Sovereign 2.7 TDVi are not working. All other speakers work perfectly, but nothing from the subwoofers in the boot. There is also an upward pointing speaker icon with the letter "R" on radio display, but this is greyed out, and I can't find nay reference to this icon in any documentation. I don't know if there's a separate amp for the subwoofers, or if it's all controlled by the main amp, which is working. The car also has rear entertainment system which works fine, except that the Subwoofers don't work. Can anyone help please?