See also:

Adjusting Armrest Angle (Driver's side only)
The armrest will be raised or lowered manually. To raise the armrest, pull it up. To lower it, press the armrest down. ...

Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...

Brake Hoses and Lines
Visually check for proper installation, chafing, cracks, deterioration and any leakage. Replace any deteriorated or damaged parts immediately. ...