Before you let your cat out of her carrier in the new place, set up a «safe room» for her. (cathealth.com)
You should include a leash for secure restraint in case the cat needs to be taken out of the carrier. (speedwayvet.com)
Lots of cats have a reputation for being shy, running to hide under the bed when guests come over, or refusing to come out of their carrier at the veterinary clinic. (cattime.com)