The left side front passenger's door will not open.
Hi, if the door isn’t permanently locked, the latching or handle mechanism is most likely broken somewhere. To save on costs, car manufacturers tend to use plastic pieces in conjunction with metal for these assemblies, and over time the plastic can get eaten away or damaged.
A certified technician, such as one from YourMechanic, would be able to open up the door to inspect the latch and handle assemblies for damage to find the cause of why the door would not open.
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