See also:

Low Tire Pressure Telltale
When the tire pressure monitoring system warning telltale is illuminated, one or more of your tires is significantly under-inflated. Immediately reduce your speed, avoid hard cornering and antici ...

Air conditioning refrigerant
Check the air conditioning lines and connections for leakage and damage. ...

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, ...