Ursprungligen postat av jan-e
Vad jag har förstått så övergår ditt svenska körkort till internationellt i 30 (typ) dagar i landet du vistas i och blir därefter inte giltligt längre. Så hade min vän tolkad det iaf.
Reglerna varierar mellan olika delstater, men så här skriver California DMV:
If you are a visitor in California over 18 and have a valid driver license from your home state or country, you may drive in this state without getting a California driver license as long as your home state license remains valid.
If you take a job here or become a resident, you must get a California driver license within 10 days. Residency is established by voting in a California election, paying resident tuition, filing for a homeowner's property tax exemption, or any other privilege or benefit not ordinarily extended to nonresidents.
http://www.dmv.ca.gov/dl/dl_info.htm