See also:

GPS (Global positioning system)
LIMITATIONS OF THE NAVIGATION SYSTEM This navigation system calculates the current position using satellite signals, various vehicle signals, map data, etc. However, an accurate position may not ...

Emissioinspectioand maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. - If the malfunction i ...

Replacement parts
To ensure optimum performance and maintain the quality built into your vehicle’s emission control systems, Lexus recommends the use of Genuine Lexus Parts when servicing or repairing the system ...