Chevrolet Sonic Owner's Manual: OnStar
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview.
Roadside Assistance Program
U.S.: 1-800-243-8872
TTY Users (U.S. Only): 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside
Assistance program.
See Roadside ...
Other materials:
When It Is Time for New Tires
Factors such as maintenance, temperatures, driving speeds, vehicle loading, and
road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for new tires. Treadwear
indicators appear when the tires have only 1.6mm (1/16 in) or less of tread rema ...
Engine Coolant Thermostat Housing Replacement (LUW)
Removal Procedure
Remove the battery tray. Refer to Battery Tray Replacement.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Drain the cooling system. Refer to Cooling System Draining and Filling.
Disconnect the engine harness conn ...
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 ...
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