help!!!!

came to a stop last night locked car of fob

came back to the car an hour later wouldn't open of fob

used key alarm went off and hazards

replaced battery in fob this morning no different

currently marrooned in ipswich

any pointers would be appreciated

 

Year model?
After market or factory alarm?
No easy answer.
There has to be some kind of reset, if factory, read the manual.
If after market, read the manual.
If no manual, contact an alarm installer to disable the immobilizer feature.