Alternatively she could learn to TAKE her privacy back. Find the chip and change the data. Never let the parents suspect their information is compromised or they might actively pay attentions.
The upside of this method is the parents will have a sense of security, the kid will have his/her privacy and freedom and the kid will likely be more employable due to their learning to outsmart the old folks.
I'm willing to bet tampering would be detectable by a parent with a bit of savvy. My daughter would do it once, then she'd lose her keys. My car, my rules.