See also:

Adjusting the sensitivity of the air intake control in automatic mode (vehicles with a rear automatic air conditioning system)
Press for 2 or more seconds. Press “” (increase) or “” (decrease) on the temperature control button on the driver’s side. From - 3 (low) to 3 (high) can be set. ...

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 ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Lexus dealer as soon as possible. - Visible symptoms l Fluid leaks under the vehicle ( ...