Took my car in to my local garage on Tuesday to have it's MOT and work on the handbrake done.
Picked it up yesterday afternoon and drove the 1.5 miles home. This morning got in the car and switched the radio on.... screen stayed dark. Turned car off and back on and the screen came on for a second but then went off again - no sound nothing.
Built in phone doesn't work nor the reversing sensors either - both of these are routed through the stereo system. Car is an XC90 and uses a MOST fibre optic system for a lot of the comunication between devices.
The work on the handbrake involved messing around with the main cable that runs under the centre console and right past the back of the stereo/fo cables (garage actually said they had to pull the cable right out to make an adjustment).
Should I expect the garage to rectify this or can they say 'it wasn't us' - which is what they're doing at the moment?
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Edit - Work was paid for on a credit card if that makes a difference.

