See also:

Replacing the battery
When the transmitter's battery begins to get weak, it may take several pushes on the button to lock or unlock the doors, and the LED will not light. Replace the battery as soon as possible. B ...

Antenna
Glass antenna (if equipped) When the radio power switch is turned on while the ignition key is in either the “ON” or “ACC” position, your car will receive both AM and FM broadcast signals throug ...

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