Keep batteries away from small children. If swallowed, promptly notify doctor. The Remote Control Batteries 1. The lithium batteries should produce power for up to 5 years. 2. To replace. pry open case with visor clip or screwdriver, as shown. Insert batteries positive side up See figure 4. 3. Dispose of old batteries properly. FOR SERVICE DIAL OUR TOLL FREE NUMBER: 1-800-528-2817 Replacement Parts Model 984LM remote case {circuit board not included) .. 3V2032 Lithium battery (2 required) ..