Hill start assist warning light (MT models – if equipped)/Hill start assist OFF indicator light (STI)
Subaru Impreza / Subaru Impreza Owners Manual / Instruments and controls / Warning and indicator lights / Hill start assist warning light (MT models – if equipped)/Hill start assist
OFF indicator light (STI)

See also:
Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not
turn off the engine while driving because that will turn off the brake booster,
resulting in poor braking power.
The ...
Fuel
NOTE
The engine is designed to operate using unleaded gasoline.
*1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not
available, unleaded gasoline with an octane rating of 87 ...
Windshield wiper and washer switches
The wiper operates only when the ignition switch is in the “ON” position. ...
