Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9804381) - 2017 - crc - 8/30/16
Vehicle Care
237
5. Push the replacement bulb
straight into the bulb socket
and turn the bulb socket
clockwise to install it into the
lamp assembly.
6. Push the lamp assembly back
into position until the release
tab locks into place.
Replacement Bulbs
Exterior Lamp
Bulb
Number
Back-up Lamp
W16W
or 921
Fog Lamp
H10
Front Turn Signal
Lamp (Base)
WY21W
Front Turn Signal
Lamp (Uplevel)
PSY24W
Low-Beam
Headlamp (Base)
HIR2
High-Beam
Headlamp (Base)
HIR2
License Plate Lamp
194
Daytime Running
Lamp (DRL) (Base)
W21/
5W ULL
Turn Signal Lamp
W21W
or 7440
Sidemarker Lamp
194
For replacement bulbs not listed
here, contact your dealer.
Electrical System
High Voltage Devices and
Wiring
{
Warning
Exposure to high voltage can
cause shock, burns, and even
death. The high voltage
components in the vehicle can
only be serviced by technicians
with special training.
High voltage components are
identified by labels. Do not
remove, open, take apart,
or modify these components.
High voltage cable or wiring has
orange covering or labels. Do not
probe, tamper with, cut, or modify
high voltage cable or wiring.