Most Suphalaks, like other cats, travel by car inside a secure, well-ventilated carrier rather than loose in the vehicle. A carrier protects the cat from sudden stops, prevents it from interfering with the driver, and provides a familiar, enclosed space that many cats find reassuring.
Acclimating the cat gradually helps. Short practice trips, a carrier left open at home so the cat can explore it, and a familiar blanket or item with the household's scent can all reduce stress before a longer journey.
For extended drives, owners should plan for water, avoid feeding immediately before departure to limit motion sickness, and never leave the cat in a parked vehicle, where temperatures can become dangerous quickly. Given the breed's value, secure handling at every stop is especially important.