See also:

Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedure given in these sections. CAUTION: The engine compartment contains many mechanisms and fluids that may move sudde ...

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 indic ...

Overview
The 2010 Lexus GS 350 and Lexus GS 460 deliver a unique combination of luxury and sport performance to the Lexus vehicle lineup. Several technology enhancements continue to keep GS models at the t ...