I have 3, 1 under hood side of steering wheel and trunk on 2004 Volvo S60

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My car does not unlock when I press the key but the lights turn on inside. Last time I drove it went in limp mode.
(1) Answer
Sounds like you may need a diagnosis from a technician near you. If door locks will not unlock, could be multiple concerns. You sound like you have other additional issues also. Good luck.