A method performed by a temporary access system for enabling a temporary user to gain temporary access to a locked space of a vehicle, said vehicle being configured to communicate with an intermediate system adapted to remotely control functionality of said vehicle, said temporary access system comprising an owner device associated with an owner of said vehicle, a user device associated with said temporary user, and said intermediate system, said intermediate system being configured to directly communicate with said owner device, said method comprising: transmitting (1001, 1001'), by means of said owner device, a permission message comprising access parameters directly to said user device; receiving (1004, 1004'), by means of said user device, said permission message directly from said owner device; transmitting (1002, 1002'), by means of said owner device, a verification message to said intermediate system, said verification message comprising verification parameters corresponding to said access parameters; receiving (1003, 1003'), by means of said intermediate system, said verification message from said owner device; transmitting (1005, 1005'), by means of said user device, a request message to open a remotely operable lock of said locked space, to said intermediate system, wherein said request message comprises said access parameters; receiving (1006, 1006'), by means of said intermediate system, said request message from said user device; performing, by means of said intermediate system, based on said request message and on said verification message, a safety check by comparing said verification parameters to said access parameters; and transmitting (1007, 1007'), by means of said intermediate system, an unlock message to said vehicle to open said lock, wherein said unlock message is based on said request message and is additionally based on said verification message and wherein said lock is enabled to be unlocked based on said access parameters and additionally based on said verification parameters. transmitting (1001, 1001'), by means of said owner device, a permission message comprising access parameters directly to said user device; receiving (1004, 1004'), by means of said user device, said permission message directly from said owner device; transmitting (1002, 1002'), by means of said owner device, a verification message to said intermediate system, said verification message comprising verification parameters corresponding to said access parameters; receiving (1003, 1003'), by means of said intermediate system, said verification message from said owner device; transmitting (1005, 1005'), by means of said user device, a request message to open a remotely operable lock of said locked space, to said intermediate system, wherein said request message comprises said access parameters; receiving (1006, 1006'), by means of said intermediate system, said request message from said user device; performing, by means of said intermediate system, based on said request message and on said verification message, a safety check by comparing said verification parameters to said access parameters; and transmitting (1007, 1007'), by means of said intermediate system, an unlock message to said vehicle to open said lock, wherein said unlock message is based on said request message and is additionally based on said verification message and wherein said lock is enabled to be unlocked based on said access parameters and additionally based on said verification parameters.