TVS Apache RTR 160 4V Owner's Manual page 43

14c. RAIN
In 'Rain' mode the engine and ABS braking system is
modified to suit wet or rainy condition. The max speed
is limited to 103 Km/h and the ABS intervention is
earlier and safe braking will be felt.
Note
Mode changes will be effected only when the throttle
is closed after a mode change request. To guide you to
do the same, a message 'CLOSE THROTTLE' will be
popped-up will be displayed in ODO area.
Caution
In case any fault is detected with respect to the ride
mode change in the EMS or ABS system, then your
motorcycle will operate only in the 'Urban' mode after
ignition key reset.
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Note
If conditions for mode change are not successful 'MODE
CHANGE ERROR' will be displayed in ODO area.