In Rogue One, prior to the Battle of Scarif, the Rebel infiltration unit led by Jyn Erso used a stolen cargo shuttle to land on the planet. K-2SO assumed the clearance code of the shuttle might have been logged as overdue by the Empire, but nevertheless the team decided to proceed.
Bodhi: Cargo shuttle SW-0608 requesting a landing pad.
Gate Officer: Cargo shuttle SW-0608, you're not listed on the arrival schedule.
Bodhi: Acknowledged, Gate Control. We were rerouted from Eadu flight station. Transmitting clearance code now.
K-2SO: Transmitting.
Here, during the following short period of silence, Jyn revealed the Kyber crystal necklace she had gotten from her mother, held to it, closed her eyes, and apparently meditated for a moment. Then, the gate officer let the ship pass the shield gate.
Gate Officer: Cargo shuttle, SW-0608, you are cleared for entry.
Bodhi: Yes!
K-2SO: Impressive.
Did Jyn use the Force to manipulate the gate officer to let them pass through? Did she use the necklace somehow as a link to the Force? Could she have done it without the crystal?
Interestingly, when the necklace was given to Jyn by her mother, she said:
Lyra: Trust the Force.
...Or was the access code just valid?