Daylight-Related Lighting (DRL) — General Information (Chevrolet Trailblazer 1)

The Daytime Running Light (DRL) system automatically switches on the low beam headlights when the engine is started. The headlights go out when the engine is running only when the automatic transmission selector is moved to the Park position. After the parking brake is released and the selector lever is moved to another position, the headlights continue to operate as long as the ignition switch is in the ON position.

The DRL system supplies the headlights with reduced voltage, which reduces the brightness of the bulbs during daylight hours and increases their service life.

[The article is reprinted from the website ChevyMan]

The article was checked: Vladimir Romannikov

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Trailblazer 1: Equipment and devices

Sound signal — replacement
Windscreen wiper motor — checking functionality and replacement
Replacing lamps
Headlight housing — removal and installation
Main and fog lights — adjustment

Rear Window Defroster — Checking Performance and Repair
Speed Control System — Description and Functionality Check
Electric windows — description and performance check
Electric door locks and keyless entry system — description and functionality check
Electrically adjustable side mirrors — description