Cool Aastra Sidecar Not Lighting While Ringing References. Setting the ring tone and ringer volume. There is no fuse box in boot on this car, just the glove box and under bonnet.

Once tightly screwed and seated, please power the phone back and try again. You can choose one of four different ring tones and set the ringer volume for each line. To return the receiver to its normal volume setting, press the left side of the bar.