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HOW TO USE CRABWALK

Difficulty Level: Intermediate  |  Time Required: 2 Minutes |  Tools Required: None   |  Related Parts, Products, Services or Technology: None   

Travel Diagonally for More Maneuverability While Off-Roading and Parking

GMC CrabWalk is a term for a unique 4-Wheel Steering mode, designed to offer greater maneuverability when you’re off-roading or in parking situations. By using CrabWalk, you can traverse off-road trails or manoeuvre more easily in parking situations.

The feature allows the angle of the rear wheels to mimic the angle of the front wheels — allowing your vehicle to move more diagonally.


WHAT IS CRABWALK?

CrabWalk is a 4-Wheel Steering setting that allows the angle of the rear wheels to mimic the angle of the front wheels up to a certain angle the max angle depends on your vehicle. This allows you to move your vehicle diagonally.

You may want to move your vehicle diagonally in certain off-roading situations or to make some parking manoeuvres easier. For example, if the rear of your vehicle is facing an obstacle on the left side, and you need to turn your vehicle to the right to get around it, you might risk colliding with the obstacle in Normal Mode.

By moving the vehicle diagonally with CrabWalk, you have the option of moving the vehicle to help avoid collisions with objects within your turning radius.

CrabWalk can only be used at speeds below 32 kph. At speeds above 32 kph, the front and rear wheels will no longer turn at the same angle. If you continue to drive above 40 kph for longer than 10 seconds, CrabWalk will disengage and return the system to Automatic 4-Wheel Steering mode.

HOW TO TURN CRABWALK ON

Here’s how to engage CrabWalk:

  1. Your vehicle cannot be going faster than crawl speed (about 1.9 kph).
  2. Your steering wheel must be still.
  3. Super Cruise® must not be active.
  4. Depending on your vehicle, you’ll turn on CrabWalk using either the physical button on the Driver Mode Control dial or the centre display.
    a. Open the Controls app on your centre display.
    b. Then, tap the CrabWalk button in the Controls app, then tap the CrabWalk icon on the confirmation screen.
    c. On certain GMC HUMMER EV models, press and hold the 4-Wheel Steering physical button on the Driver Mode Control dial until the animation on the centre display shows the CrabWalk feature is fully powered up.
                i. The button is on the left side of the Driver Mode Control dial and looks like an overhead outline of a vehicle. 
  5. When CrabWalk is first engaging your infotainment system will automatically display HD Surround Vision, so you can see more of your vehicle’s surroundings.
  6. Once CrabWalk is active, you can drive at speeds of up to 32 kph. Above 32  kph, the front and rear wheels will no longer turn at the same angle. 

As with other 4-Wheel Steering modes, there is a limit to how far your rear wheels will turn — the max. angle depends on your vehicle.

 

HOW TO TURN CRABWALK OFF

To turn CrabWalk Mode off:

1. Tap the Crab icon on the left side of your centre display.
or
2. Turn off the feature through the Controls app.
or
3. On certain GMC HUMMER EV models, press the physical 4-Wheel Steering button on the Driver Mode Control dial again.

CERTAIN VEHICLE FUNCTIONS ARE DISABLED WHEN USING CRABWALK

 Lane Keep Assist and Super Cruise are not available with CrabWalk activated.



RELATED LINKS AND RESOURCES


Q&As

Why can’t I turn CrabWalk on?

CrabWalk can only be enabled when your vehicle is at crawl speed or stopped (up to 1.9 kph). Your steering wheel must be still before you can turn the feature on as well. The feature will also temporarily disable itself if you go above 32 kph and turn back on when you go below 32 kph again. If you go faster than 40 km/hr for more than 10 seconds, CrabWalk Mode will disengage.

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To find out if your vehicle has this feature, contact your dealer or refer to your vehicle’s equipment list. Please check your Owner’s Manual for more information about features.

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