Emission inspection and 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 indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Lexus dealer to service the vehicle.
Your vehicle may not pass the I/M test in the following situations:
When the 12-volt battery is disconnected or discharged Readiness codes that are set during ordinary driving are erased.
Also, depending on your driving habits, the readiness codes may not be completely set.
When the fuel tank cap is loose The malfunction indicator lamp comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.
When the malfunction indicator lamp still remains on after several driving trips
The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times.
If your vehicle does not pass the I/M test
Contact your Lexus dealer to prepare the vehicle for re-testing.
See also:
Automatic air conditioning system
Airflow and outlets are automatically adjusted according to the
temperature
setting.
With navigation system.
Owners of models equipped with a navigation system should refer to the
“Navigation Sy ...
Sun visors
1. To set the visor in the forward
position, flip it down.
2. To set the visor in the side
position, flip down, unhook,
and swing it to the side.
3. To use the side extender,
place the visor i ...
Safety/Security Features
The Adaptive Front-lighting System (AFS), standard on the Lexus GS 460 and
optional for the GS 350, helps illuminate a curve as the driver steers into it.
A Tire Pressure Monitoring system can det ...