Toyota TACOMA 2010 Quick Reference Manual page 105

1-7. Safety information
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SRS warning light
This warning light system monitors the airbag sensor assembly, front airbag
sensors, side and curtain shield airbag sensor assemblies, curtain shield air-
bag sensor assemblies (Access Cab and Double cab models), driver's seat
position sensor, driver's seat belt buckle switch, front passenger occupant
classification system, AIR BAG ON and AIR BAG OFF indicator lights, front
passenger's seat position sensor (Regular Cab models), front passenger's
seat belt buckle switch, passenger airbag off switch (Access Cab models),
front seat belt pretensioner assemblies, belt tension sensor (Regular Cab
models), RSCA OFF indicator light, inflators, interconnecting wiring and
power sources. (→P. 432)
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If the SRS airbags deploy (inflate)
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Bruising and slight abrasions may result from contact with a deploying
(inflating) SRS airbag.
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A loud noise and white powder will be emitted.
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Parts of the airbag module (steering wheel hub, airbag cover and inflator)
as well as the front seats, and parts of the front and rear pillars and roof
side rail, may be hot for several minutes. The airbag itself may also be
hot.
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The front windshield may crack.
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Operating conditions (front airbags)
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The SRS front airbags will deploy in the event of an impact that exceeds
the set threshold level (the level of force corresponding to an approxi-
mately 12-18 mph [20-30 km/h] frontal collision with a fixed wall that does
not move or deform).
However, this threshold velocity will be considerably higher if the vehicle
strikes an object, such as a parked vehicle or sign pole, which can move or
deform on impact, or if the vehicle is involved in an underride collision (e.g.
a collision in which the front of the vehicle "underrides", or goes under, the
bed of a truck, etc.).
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It is possible that in some collisions where the forward deceleration of the
vehicle is very close to the designed threshold level, the SRS front air-
bags and the seat belt pretensioners may not activate together.
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