Chevrolet Sonic Owner's Manual: Park Brake and P (Park) Mechanism Check
Warning
When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake.
- To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.
- To check the P (Park) mechanism's holding ability: With the engine running, shift to P (Park). Then release the parking brake followed by the regular brake.
Contact your dealer if service is required.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
For automatic transmission vehicles, the ignition should turn to LOCK/OFF
only ...
Other materials:
Lockout Protection
If the driver side power door lock switch is pressed when the driver door is
open and the key is in the ignition, all of the doors will lock and then the driver
door will unlock.
If Unlocked Door Anti Lockout is turned on and: the vehicle is off, the driver
door is open, and door locking is r ...
Antilock Brake System (ABS)
This vehicle has ABS, an advanced electronic braking system that helps prevent
a braking skid.
When the vehicle begins to drive away, ABS checks itself.
A momentary motor or clicking noise might be heard while this test is going on,
and it might even be noticed that the brake pedal moves a lit ...
Hydraulic Brake System Description and Operation
System Component Description
The hydraulic brake system consists of the following:
Hydraulic Brake Master Cylinder Reservoir
Contains a supply of brake fluid for the hydraulic brake system.
Hydraulic Brake Master Cylinder
Converts mechanical input force into hydr ...
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