User Manual - Page 429

For 2017 XC90 T8 TWIN ENGINE PLUG-IN HYBRID.

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STARTING AND DRIVING
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* Option/accessory, for more information, see Introduction.
427
Brake – B
B can be selected at any time during a drive. In
this mode, the engine braking function is acti-
vated when the accelerator pedal is released,
which helps charge the hybrid battery. This
means that the hybrid battery is charged even if
the brake pedal is not depressed.
B mode in the instrument panel
With B selected, manual shifting to lower gears
is possible. The gear indicator in the instrument
panel shows the gear currently being used (1–8).
Each time the gear selector is pulled rearward,
the transmission will shift down one gear.
In order to manually shift to higher gears, the
vehicle must be equipped with steering wheel
paddles*.
Press the gear selector forward to return to
D mode.
For smooth shifting and engine performance, the
transmission will shift down automatically if the
vehicle's speed becomes too low for the selected
gear.
Safety function
To help avoid excessive rpm that might cause
engine damage, the transmission control module
has a down-shift protection feature that in some
situations may prevent a down-shift or kickdown.
During kickdown, the transmission may shift
down one or more gears, depending on the
engine's rpm and will shift up again when max.
rpm is reached for a specific gear.
Related information
Steering wheel paddles* (p. 427)
Shiftlock (p. 424)
Gear shift indicator (p. 425)
Steering wheel paddles*
In addition to the manual gearshift function using
the gear selector, the paddles make it possible
to manually shift gears from the steering wheel.
Activating the paddles
In order to shift gears with the paddles, they have
to first be activated. To do so:
Pull either paddle toward the steering wheel
and release it.
> A number in the instrument panel will indi-
cate the current gear being used.
Instrument panel when the paddles are activated
Shifting
To shift one gear:
Pull either paddle toward the steering wheel
and release it.
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