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:
Air Vents
Use the slider knob on the air vent
louvers to change the amount and
direction of the airflow.
To close the outboard air vents,
move the slider knob to the full
outboard position.
To close the center air vents, move
the slide knob to the full inboard
position.
To close the rear passenger air
vent
Heater and Air Conditioning User Interface Control Replacement
Preliminary Procedure
Instrument Panel Lower Trim Panel Replacement.
Heater and Air Conditioning User Interface Control Bolt[2x]
CAUTION:
Fastener Caution.
Tighten
2.5N.m (22 lb in)
Heater and Air Conditioning User Interface Control
Procedure
Unlock the retaining tabs.
Disconnect the el
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