Use this guide to replace the trackpad. This procedure involves using adhesive remover to remove the battery. '''Do not reuse the battery after it has been removed, as doing so is a potential safety hazard.''' Replace it with a new battery.
'''iFixit adhesive remover is highly flammable.''' Perform this procedure in a well-ventilated area. Do not smoke or work near an open flame during this procedure.
'''To minimize risk of damage, turn on your MacBook and allow the battery to fully discharge before starting this procedure.''' A charged lithium-ion battery can create a dangerous and uncontrollable fire if accidentally punctured. If your battery is swollen, [[What to do with a swollen battery|take extra precautions|new_window=true]].
MacBook Pro 13" Retina (Late 2012-Early 2013) Battery x1 added.