Clio rip curl 2007 locking problem and music problem

Please help me...Desperately need some help on this car I have bought. Firstly, the passenger door doesn't open using the central locking
button I have to use the key to open it... Any ideas please?

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Second horrible problem is connecting my iPhone to the box in th glove compartment is great... Music plays but, I cannot skip any tracks at all by either of the controls I am meant to be able to use for this... Any ideas on this also please? X

Clio rip curl 2007 locking problem and music problem