Honda Prelude 1990 Online Reference Owner's Manual page 69

While driving in the " S " range, you can select 4th gear by pushing
the "S4" switch. Depending upon vehicle speed and throttle pedal
position, the transmission will shift to 4th gear when the switch is
pressed; the "S
on. Pushing the "S
downshift to 3rd gear In the "S
the instrument panel will go out, and the "S
instrument panel will come on.
If the shift lever is moved to any other driving range, the "S
switch will be cancelled automatically.
S4 SWITCH
NOTE:
In both the D and S modes, the transmission holds in 2nd while
you are stopped in gear. When you start moving again, the
transmission shifts to 1st, then 2nd and so on.
If rapid acceleration is necessary, depress the accelerator to the
floor; the transmission will automatically shift down according to
load and engine speed. This applies to both D and S ranges.
" indicator light in the instrument panel will come
4
" switch again will cause the transmission to
4
3
" mode. The "S
4
" indicator light in
" light on the
3
(cont'd)
"
4