Buick Regal 2018-2026 Service Manual / General Information / Waterleaks
Buick Regal: Waterleaks
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Diagnostic Information and Procedures
WATERLEAK TEST PREPARATION
GM vehicles are designed to operate under normal environmental
conditions.
The design criteria for sealing materials and components takes into
consideration the seali
Repair Instructions
BODY WATERLEAK REPAIR
WARNING: If the vehicle interior is exposed to moisture and becomes
soaked up to
the level of the sensing and diagnostic module (SDM), the SDM and SDM
harness connector must be
SEE MORE:
Towing Equipment
Hitches
Always use the correct hitch
equipment for your vehicle.
Crosswinds, large trucks going by,
and rough roads can affect the
trailer and the hitch.
Never attach rental hitches or other
bumper-type hitches. Only use
frame-mounted hitches that do not
attach to the bumper.
Always seal any hole
Description and Operation
SEAT BELT SYSTEM DESCRIPTION AND OPERATION
Seat Belts
Solid Line - Hard Wire I/O
Dash Line - Serial Data
A11 - Radio
B88D - Seat Belt Switch - Driver
B88P - Seat Belt Switch - Passenger
K36 - Inflatable Restraint Sensing and Diagnostic Module
K85 - Passenger Presence Detection Module
P16 - Instrume
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