Toyota Corolla (E170): Automatic sound leveliser (ASL)

1 Select “Automatic Sound Levelizer”.

2 Select “High”, “Mid”, “Low” or “Off”.

■The sound quality level is adjusted individually

The treble, mid and bass levels can be adjusted for each audio mode separately.

■About Automatic Sound Leveliser (ASL)

ASL automatically adjusts the volume and tone quality according to the vehicle speed.

    Share this page:

    Other materials:

    Towing your vehicle with 4 wheels on the ground
    To prevent damage to your vehicle, perform the following procedures before towing. 1 Shift the shift lever to N. 2 Turn the engine switch to the “ACC” position (without a smart key system) or ACCESSORY mode (with a smart key system). (, 166) Ensure that the audio system and other powered de ...

    Amplifier antenna assy
    Replacement Hint: components: Remove roof headlining assy Notice: do not bend the roof headlining assy. Hint: refer to the procedure from ”remove roof headlining assy” of roof headlining assy. Remove the related parts as long as the amplifier antenna assy can be removed. ...

    Seat belt warning lamp for front passenger’s seat does not flash
    Wiring diagram Inspection procedure 1 Inspect combination meter assy Ground terminal c9–11 on the combination meter side.  check that the warning lightlights up. Ok: warning light lights up. 2 Inspect passenger seat belt warning lamp assy Ground terminal c9– ...