Buick Regal: Sunroof
If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active.
Sunroof Switch
The vehicle may have one of two different switch configurations.
Open/Close (Manual Mode) :
Press .png)
(1) or
.png)
(1) to the first
detent to open the sunroof. Press
.png)
(1) to the first detent to close.
Express-Open/Express-Close :
Press .png)
(1) or
.png)
(1) to the
second detent and release to
express-open the sunroof. Press
.png)
(1) to the second detent and
release to express-close. To stop
the movement, press the switch
again.
If an object is in the path of the sunroof while it is closing, the automatic reversal feature will detect the object and stop the sunroof. The sunroof will then return to the full-open or vent position.
Vent (If Equipped) : Press .png)
(2) to
vent the sunroof. Press .png)
(2) to
close the sunroof vent.
Sunshade
If equipped with a manual sunshade, slide the sunshade to open or close it. The sunshade is always open when the sunroof is open.
Power Sunshade Switch
Open/Close (If Equipped) :
Press .png)
(2) to open the power
sunshade. Press .png)
(2) to close
the power sunshade.
The sunroof has an automatic reversal feature.
READ NEXT:
Traction Control/Electronic
Stability Control
The Traction Control System (TCS)
limits wheel slip. The system turns
on automatically every time the
vehicle is started.
The StabiliTrak system assists with
directional control of the vehicle in
dif
Fuel (2.0L Turbo Engine)
Premium Recommended Fuel
Use premium 93 octane unleaded
gasoline in your vehicle. Unleaded
gasoline with an octane rating as
low as 87 may be used, but it will
reduce performance and fuel
economy.
Fu
SEE MORE:
Cooling Fan Description and Operation
System Overview
The engine cooling fan system consists of 2 electric cooling fans and 3 fan
relays. The cooling fan relays
are arranged in a series/parallel (S/P) configuration. This allows the engine
control module (ECM) to
operate both fans together at low or high speeds using 2 fan control circ
Symptoms - HVAC Systems - Automatic
NOTE: The following steps must be completed before using the symptom
tables:
1. Perform the Diagnostic System Check - Vehicle before using the HVAC System
Malfunction
procedure in order to verify that all of the following are true:
There are no DTCs set.
The control modules can communicate via
