Need professional Nissan car key replacement in Melbourne? Car Keys Express Locksmith provides fast, mobile key cutting and programming for all Nissan models, including the Navara, Patrol, X-Trail, Qashqai, Pathfinder, and Micra. Since the late 1990s, Nissan vehicles have been fitted with the NATS (Nissan Anti-Theft System), which uses transponder chips that must be correctly programmed to the ECU before the engine will start. Earlier Nissans may use bladed transponder keys, while mid-2000s models introduced remote flip keys. Most current models, such as the X-Trail and Qashqai, use Intelligent Key smart fobs with push-button start and keyless entry. Our locksmiths carry specialist diagnostic equipment to program all of these systems on-site — no need to tow your vehicle or wait weeks for a dealer.