See also:

Low Keyless Access Remote Signal Strength
The vehicle transmits radio waves to locate the keyless access remote when locking/ unlocking the doors, opening the trunk, or to start the engine. In the following cases, locking/unlocking the doors ...

Emissions Testing
Testing of Readiness Codes Your vehicle uses “readiness codes,” as part of its onboard self diagnostic system. Some states refer to these codes during testing to see if your vehicle's emis ...

Immobilizer System
The immobilizer system prevents a key that has not been pre-registered from starting the engine. Each key contains electronic transmitters that use electronic signals to verify the key. Pay atten ...