Parking brake light unavailable is on and regular brake light
 

Parking brake light and stop start light we're on ... replaced both batteries now start stop light is off and working again but parking brake unavailable and a yellow light that just says brake is on now..any heip?
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not sure of your year or model, but on some cars with the electronic e-brake, there is a software reset that may be required. As with any warning light, best to have the fault codes read with a full feature code reader - preferably one that can do the e-brake reset.

2018 S90 T6 Momentum

everything seems to work but the ((A)) brake that holds you when you have it on and come to a complete stop

thanks for your reply