Please tell me how to remove the oil cap!!!its a qt low and wont budge on 2002 Infiniti QX4

its my moms car i hate it but need it to transport her, my friend is a pretty strong guy and he couldny budge it either is there a trick to it? thank you!!rhomi

Asked by for the 2002 Infiniti QX4
i use a small hammer and a long punch to shock it loose.

so this is a normal thing and theres no "secret" to opening it. Thank You so very much for taking the time to answer Roy!
try a pair of channel lock pliers if you have some, but be careful