Trek 8i - Manual (Page 23)

2 Replacing the Battery
4. Lift the battery cover, exposing the
battery.
Be careful to avoid losing the rubber O-ring
seal.
5. Remove the old battery.
It may be possible to shake the battery out.
Otherwise, carefully pry the battery up with
a thin tool or knife blade.
6. Insert the new battery with the ‘cross’
and identifying label pointing up
(Figure 17).
7. Replace the battery cover (and O-ring
seal) and turn one-quarter turn clockwise.
Figure - The ‘cross’ on the bat-
tery points up