Lexus GS430 User Manual page 184

OCCUPANT RESTRAINT SYSTEMS
When the seat belt pretensioners are activated, an operating
noise may be heard and a small amount of non−toxic gas may
be released. This does not indicate that a fire is occurring. This
gas is normally harmless.
Once the seat belt pretensioners have been activated, the seat
belt retractors remain locked.
CAUTION
Do not modify, remove, strike or open the seat belt
pretensioner assemblies, airbag sensor or surrounding
area or wiring. Failure to follow these instructions may
prevent the seat belt pretensioners from activating
correctly, cause sudden operation of the system or
disable the system, which could result in death or
serious injury. Consult your Lexus dealer about any
repair and modification.
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NOTICE
Do not perform any of the following changes without
consulting your Lexus dealer.
interfere with proper operation of the seat belt
pretensioners in some cases.
D Installation of electronic devices such as a mobile
two−way radio, cassette tape player or CD player.
D Repairs on or near the seat belt retractor assemblies.
D Modification of the suspension system.
D Modification of the front end structure.
D Attachment of a grille guard (bull bar, kangaroo bar,
etc.), snowplow, winches or any other equipment to
the front end.
D Repairs made on or near the front fenders, front end
structure or console.
Such changes can