Toyota 2009 Tundra Owner's Manual page 238

2-3. Operating the lights and wipers
Intermittent wiper with interval adjuster
n
Wiper intervals can be adjusted for intermittent operation (when
selected).
212
Intermittent
wiper operation
Low speed windshield wiper
operation
High speed
wiper operation
Temporary operation
Intermittent wiper interval
adjustment (decrease)
Intermittent wiper interval
adjustment (increase)
is
windshield
windshield