GM Service Manual Online
For 1990-2009 cars only

DRL Disable - OFFICIAL GOVERNMENT VEHICLES ONLY - keywords daytime indicate lamp light module off running

Subject:DRL Disable - OFFICIAL GOVERNMENT VEHICLES ONLY

Models:1997-2005 Chevrolet Venture
1997-2004 Oldsmobile Silhouette
1997-2005 Pontiac Montana



The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:

Some local Police and/or Government agencies may request that Daytime Running Lamps (DRL) be disabled.

Recommendation/Instructions:

All requests for Daytime Running Lamps (DRL) disable are to be referred to Techline Customer Support Center (TCSC) @ 1-800 828-6860. Instructions about vehicle qualifications and requirements for DRL disable will be provided by TCSC. Once all the required documentation is completed TCSC will transfer the dealership to Technical Assistance for disabling instructions.

Note: TCSC is GM's central record keeping location for all of these requests.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.