Chevrolet Sonic Owner's Manual: Maintenance Schedule

General Information

Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect ...

Owner Checks and Services

At Each Fuel Stop Check the engine oil level. See Engine Oil. Once a Month Check the tire inflation pressures. See Tire Pressure. Inspect the tires for wear. See Tire Inspection. Check ...

Other materials:

Engine Coolant Thermostat Replacement (LUW)
Removal Procedure Warning: Refer to Battery Disconnect Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Drain the coolant. Refer to Cooling System Draining and Filling. Disconnect the en ...

Fuel System Cleaning
Note: If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary. Drain the fuel tank. Refer to  Fuel Tank Draining. Remove the fuel pump module assembly. Refer to  Fuel Tank Fuel Pump Module Replacement. Inspect the fue ...

Drive Range, First Gear Engine Braking (Gen 1)
When the gear selector lever is moved to the Drive (D) range from the Neutral (N) position, the transmission will provide engine braking. In this operating range, the normally-low 1234 pressure control solenoid 5 is commanded ON and, in the engine braking mode, the following changes occur with ...