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Chevrolet 2012 Volt - Electric Drive Unit Shift Lock Control Function Check; Park Brake and P (Park) Mechanism Check

Chevrolet 2012 Volt
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Black plate (27,1)
Chevrolet Volt Owner Manual - 2012
Vehicle Care 10-27
Electric Drive Unit Shift
Lock Control Function
Check
{
WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough room
around the vehicle. It should be
parked on a level surface.
2. Firmly apply the parking brake.
See Electric Parking Brake on
page 934.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the vehicle off and the
brake not applied, press and
hold the POWER
O button for
more than five seconds to place
the vehicle in Service Only
Mode. See Power Button on
page 918. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.
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 electric parking brake.
.
To check the electric parking
brake's holding ability: With the
propulsion system active and the
electric drive unit in N (Neutral),
slowly remove foot pressure
from the regular brake pedal. Do
this until the vehicle is held by
the electric parking brake only.
.
To check the P (Park)
mechanism's holding ability:
With the propulsion system
active, shift to P (Park). Then
release the electric parking
brake followed by the regular
brake.
Contact your dealer if service is
required.

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