Subaru BRZ 2017 Owner's Manual page 240

2-4. Using other driving systems
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Operating conditions of the hill start assist system
When the following conditions are met, the hill start assist system will oper-
ate:
●
Vehicles with an automatic transmission: The select lever is in D or M
(when starting off forward on while facing uphill) or in R (when starting off
backward while facing downhill).
●
Vehicles with a manual transmission: The shift lever is in a position other
than R (when starting off forward while facing uphill) or in R (when start-
ing off backward while facing downhill).
●
The vehicle is stopped.
●
The accelerator pedal is not depressed.
●
The parking brake is not engaged.
■
The hill start assist system will not operate when
The hill start assist system will not operate when any of the following condi-
tions are met:
●
Vehicles with an automatic transmission: The select lever is in a position
other than D or M (when facing uphill) or in a position other than R (when
facing downhill).
●
Vehicles with a manual transmission: The shift lever is in R (when facing
uphill) or in a position other than R (when facing downhill).
●
Vehicles with an automatic transmission: The accelerator pedal is
depressed.
●
The parking brake is applied.
●
Vehicles with a manual transmission: The clutch is engaged.
●
Approximately 2 seconds have elapsed since the brake pedal was
released.
●
The hill start assist ON indicator is not illuminated.
●
The push-button ignition switch is turned to "ACC" mode or turned off.
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