GM Service Manual Online
For 1990-2009 cars only

Info - Daytime Running Lights (DRL) Feature

Subject:Daytime Running Lights (DRL) Feature (Do Not Activate DRL)

Models:1998-99 Chevrolet and GMC S/T Pickup and 2 Door Utility Models
With RPO ZR2 (Highrider) Only



Built After April, 1998 and Prior to the Following VIN Breakpoints:

Plant

Division

VIN Breakpoint

Linden

Chevrolet

XK188896

Linden

GMC

XK512193

Shreveport

Chevrolet

X8171557

Shreveport

GMC

X8520964

Important: This bulletin is not applicable to vehicles sold in Canada.

This bulletin is to inform dealers that 1998 vehicles with RPO ZR2 built after April, 1998 and 1999 vehicles with RPO ZR2 built prior to the above VIN breakpoints were engineered and manufactured without the DRL feature. Please be advised, do not attempt to activate the DRL feature on these vehicles until further notice.