See also:

When to replace tires
The original tires on your car have tread wear indicators . The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear wh ...

Heating controls
For normal heating operation, set the air intake control to the fresh air () position and the air flow control to the floor () position. For faster heating, the air intake control should be ...

Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...