Lexus IS220d 2012 Manual page 173

2-1. Driving procedures

Shift ranges and their functions
Shift range
6
5
4
3
2
1
A lower shift range will provide greater engine braking force than a
higher shift range.
164
IS250/220d/200d_EE
Function
Automatically selecting gears between 1 and 6
according to vehicle speed and driving conditions.
Automatically selecting gears between 1 and 5
according to vehicle speed and driving conditions.
Automatically selecting gears between 1 and 4
according to vehicle speed and driving conditions.
Automatically selecting gears between 1 and 3
according to vehicle speed and driving conditions.
Automatically selecting gears between 1 and 2
according to vehicle speed and driving conditions.
Setting the gear at 1.