See also:

Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular att ...

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 ...

Battery replacement
The transmitter uses a 3 volt lithium battery which will normally last for several years. When replacement is necessary, use the following procedure. 1. Insert a slim tool into the slot and gentl ...