Independent manual library

Know your Ascent.
Drive prepared.

Clear routes into the owner's manual, current-model context and practical references for everyday ownership.

Subaru Ascent reference

Subaru Ascent 2018-2026 Owner's Manual: Fuel

CAUTION

  • In the Subaru Ascent, using low-quality fuel or unsuitable fuel additives may negatively affect engine performance and potentially cause damage to the fuel system.
  • At certain fuel stations, especially in mountainous or high-altitude regions, gasoline labeled as regular may have an octane rating below 87 AKI (90 RON). Such fuel is not recommended for use in the Subaru Ascent.
Related manual topics

Power steering warning light
This warning light illuminates when the ignition switch is turned to the "ON" position and turns off after the engine has started. This indicates that the warning system is working properly. While the engine is running, this warning light illuminates when a malfunction has been detected ...

Dome light and cargo area light
Dome light Cargo area light 1. Remove the lens by prying the edge of the lens with a flat-head screwdriver. 2. Pull the bulb out of the socket. 3. Install a new bulb. 4. Reinstall the lens. Other bulbs It may be difficult to replace the bulbs. Have the bulbs replaced by your ...

Component
EXHAUST(H4DO) > General DescriptionCOMPONENT1. FRONT EXHAUST PIPE AND CENTER EXHAUST PIPE(1)Front exhaust pipe(12)Front exhaust pipe lower coverTightening torque: N·m (kgf-m, ft-lb)(2)Front catalytic converter(13)Front catalytic converter lower cover LHT1:13 (1.3, 9.6)(3)Center exhaust pip ...