Toyota 2007 Tundra Owner's Manual page 255

07 04.26
If the indicator or buzzer comes on...
(n)
(o)
(p)
(q)
Key reminder buzzer
(r)
Parking brake reminder buzzer
Four−wheel drive system warning
(s)
buzzer
(t)
Open moon roof reminder buzzer
Stop and check.
Read a warning message on multi−information display.
Add washer fluid.
Remove key.
Release parking brake.
Shift the transfer mode correctly.
Close moon roof.
2007 TUNDRA from Jul. '07 Prod. (OM34463U)
Do this.
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