Chevrolet Sonic Owner's Manual: High-Beam On Light

Reduced Engine Power Light

The reduced engine power light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. This light, along with the malfunction indicator ...

Daytime Running Lamps (DRL) Indicator Light

This light turns on whenever the Daytime Running Lamps are in use. See Daytime Running Lamps (DRL). ...

Other materials:

Cooling Fan Description and Operation (LWE, LUW)
System Overview The engine cooling fan system is composed of one cooling fan, 2 relays, the engine control module (ECM), and the associated wiring. The cooling fan assembly includes 1 resistor mounted in the cooling fan shroud. The cooling fan resistor may be a stand alone compon ...

Drive Range - Fourth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command OFF the normally-high 35R pressure control ...

Park - Engine Running (Gen 1)
When the gear selector lever is in the Park (P) position, fluid is drawn into the pump through the transmission fluid filter assembly. Line pressure is then directed to the following valves: Fluid Pressure Directed in Preparation for a Shift Manual Valve Mechanically controlled ...