Removal & Installation
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Separate remote transmitter case using a coin or similar flat object. Lightly push down on lower edge of battery to tilt and remove battery. Slide new battery into remote transmitter with rolling motion. Ensure positive side is facing up. Use care in inserting new battery to prevent damage to remote transmitter terminals. Assemble and snap remote transmitter case together. See Fig 1.