Electric Drive Unit Shift Lock Control Function Check - Chevrolet Volt 2013 Owner's Manual

10-24 Vehicle Care
Up to four weeks
Plug in the high voltage battery
charge cord if temperatures will
exceed 35°C (95°F) and keep
the 12-volt battery cables
connected.
Four weeks to 12 months
Discharge the high voltage
battery until two or three bars
remain on the battery range
indicator (Battery symbol) on the
instrument cluster.
Do not plug in the high voltage
battery charge cord.
Remove the black negative ( )
cable from the 12-volt battery
and attach a trickle charger to
the battery terminals or keep the
12-volt battery cables connected
and trickle charge from the
underhood remote positive (+)
and negative ( ) terminals. See
Jump Starting on page 10 68 for
the location of these terminals.
Notice: The vehicle is equipped
with an AGM/VRLA 12-volt
battery, which can be damaged by
using the incorrect type of trickle
charger. An AGM/
VRLA-compatible charger must
be used, with the appropriate
setting selected. Follow the
trickle charger manufacturer
instructions.
Reconnecting the 12-Volt Black
Negative Cable
With the 12-volt black negative ( )
cable disconnected, the hatch
cannot be opened by pressing the
hatch release button. If the hatch is
closed and latched, reopen it:
1. Use the door key to open the
driver door.
2. Manually unlock and open one
of the rear doors.
3. Lower one of the rear seatbacks.
4. Pull the load floor cover forward
to access and reconnect the
12-volt battery black negative ( )
cable.
5. After the cable has been
connected, open the hatch and
then tighten the cable.
After the battery cable is
reconnected, it is possible that the
vehicle may not operate in Electric
Mode. If this happens, the high
voltage battery may need to be
charged.
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.