DRL stands for Day-time Running Lights.
Check for your light bulbs that may have burnt out; the ones that come on as soon as you release the Hand Brake or (E-Brake). It is either that or your DRL Module may need to be Re-Soldered.
Feb 21, 2013 at 11:27 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.