Kiriana Toi Walker-Grace was arrested yesterday after the alleged violent attack in the township.
The man was badly injured at a rural address and had to be airlifted to hospital.
Walker-Grace was later taken into police custody in the Methven township.
The Hamilton woman is facing two charges - wounding the man with intent to cause grievous bodily harm and taking his $40,000 Audi vehicle.
She appeared briefly before Judge John Brandts-Giesen in the Christchurch District Court on Monday morning.
He remanded her in custody until her next court date on May 24.
Duty lawyer Andrew McKenzie said no application for bail would be made today.
There were no suppression applications made.