Steering gear box, linkage & boots/lower arm ball joint
With the vehicle stopped and engine off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks, or damage. Replace any damaged parts.
See also:
To Remove the Ignition Key
1. Turn the ignition key to the "ACC" position.
2. Simultaneously push and turn the ignition key counterclockwise from the "ACC"
position to the "LOCK" position.
3. ...
Air intake control
This is used to select outside (fresh) air position or recirculated air position.
To change the air intake control position, push the control button.
Recirculated air position
...
Exhaust Emission Control System
The Exhaust Emission Control System is a highly effective system which controls
exhaust emissions while maintaining good vehicle performace. ...