Day Time Running Lights
Official GM Rep
Joined: Mar 2010
Posts: 4,163
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From: Global Headquarters in Detroit, MI
<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w
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The DRL (Daytime Running Lamps) system will come on when:
- the ignition is on,
- the headlamp switch is in automatic headlamp mode,
- the automatic transmission is not in PARK (P),
- the light sensor determines it is daytime and
- the parking brake is released.
So, if you move the headlamp switch out of automatic headlamp mode, it should turn the DRL off.
When the DRL are on, only your DRL lamps will be on. The tail lamps, side marker and other lamps won’t be on. The instrument panel won’t be lit up either.
When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps or the last chosen headlamp setting that was used.
When you turn the headlamp switch off, the headlamps will go off, and your DRL lamps will illuminate, provided it is not dark outside.
To idle an automatic transmission equipped vehicle with the DRL off, set the parking brake. Shifting the transmission into PARK (P) will also allow you to idle the vehicle with the DRL off. The DRL will stay off until you release the parking brake or shift the transmission out of PARK (P).
To idle a manual transmission equipped vehicle with the DRL off, set the parking brake. The DRL will stay off until you release the parking brake. As with any vehicle, you should turn on the regular headlamp system when you need it.
I hope this information is helpful.
For your reference, this information is also available in your owner's manual on pages 2-50 and 2-51. A digital copy of the manual is available at: GM Owners Center - GM. The GM Owner Center stores your service records, allows you to access your owner's manual, schedule an appointment with your dealer and more…all for free to our loyal GM customers!
If you have any additional questions, please feel free to contact me.
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- the ignition is on,
- the headlamp switch is in automatic headlamp mode,
- the automatic transmission is not in PARK (P),
- the light sensor determines it is daytime and
- the parking brake is released.
So, if you move the headlamp switch out of automatic headlamp mode, it should turn the DRL off.
When the DRL are on, only your DRL lamps will be on. The tail lamps, side marker and other lamps won’t be on. The instrument panel won’t be lit up either.
When it begins to get dark, the automatic headlamp system will switch from DRL to the headlamps or the last chosen headlamp setting that was used.
When you turn the headlamp switch off, the headlamps will go off, and your DRL lamps will illuminate, provided it is not dark outside.
To idle an automatic transmission equipped vehicle with the DRL off, set the parking brake. Shifting the transmission into PARK (P) will also allow you to idle the vehicle with the DRL off. The DRL will stay off until you release the parking brake or shift the transmission out of PARK (P).
To idle a manual transmission equipped vehicle with the DRL off, set the parking brake. The DRL will stay off until you release the parking brake. As with any vehicle, you should turn on the regular headlamp system when you need it.
I hope this information is helpful.
For your reference, this information is also available in your owner's manual on pages 2-50 and 2-51. A digital copy of the manual is available at: GM Owners Center - GM. The GM Owner Center stores your service records, allows you to access your owner's manual, schedule an appointment with your dealer and more…all for free to our loyal GM customers!
If you have any additional questions, please feel free to contact me.
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