2004 Toyota Highland Add key

Transponder Key Duplication & Add-Key Service – 2004 Toyota Highlander

While complex European module programming and bench EEPROM work make for great showcase pieces, not every key job has to be a headache. Adding a spare transponder key for a reliable daily driver like this 2004 Toyota Highlander is straightforward, fast, and cost-effective when handled with the right equipment.

Services Performed:

• Mechanical Blade Decoding & Cutting: Traced and cut a new high-security metal blade to original factory specifications for smooth cylinder rotation.

• OBD-II Transponder Programming: Paired the new transponder chip directly into the Toyota immobilizer system using an existing master key.

• Operational Verification: Tested physical ignition operation, security light sequence, and instant engine start across both keys.