Buick Regal: Conversions and Add-Ons
Add-On Electrical Equipment
Warning: The Data Link Connector (DLC) is used for vehicle service and Emission Inspection/Maintenance testing. See Malfunction Indicator Lamp (Check Engine Light). A device connected to the DLC - such as an aftermarket fleet or driver-behavior tracking device - may interfere with vehicle systems. This could affect vehicle operation and cause a crash.
Such devices may also access information stored in the vehicle's systems.
Caution: Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the vehicle warranty. Always check with your dealer before adding electrical equipment.
Add-on equipment can drain the vehicle's 12-volt battery, even if the vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything electrical to the vehicle.
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General Information
For service and parts needs, visit
your dealer. You will receive
genuine GM parts and GM-trained
and supported service people.
Genuine GM parts have one of
these marks:
California Proposition
65 War
SEE MORE:
DTC C047A
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here:Diagnostic
Procedure
Symptoms - Hydraulic Brakes
NOTE: The following steps must be completed before using the symptom
tables.
1. Perform the Brake System Vehicle Road Test before using the hydraulic
brake symptom tables in
order to duplicate the customer's concern.
2. Review the system operation in order to familiarize yourself with the system
