My key less remote for a 2000 S40 works (after several clicks) to open the doors and trunk, but will not respond when trying to lock the vehicle. The battery is new. Any thoughts on what to do?

Also will a universal keyless entry remote control duplicator work with a Volvo?

Bought a 2000 S40 from WeBe Autos on Long Island for $4,500--seemed a fair price. But then..... Within one week battery died and headlight adjusters turned out to be broken ($800); within less than 60 days, mechanics found a bad switch, the catalytic converter had to be replaced and rear springs wer...