Ford Mustang Owners Manual: Hill start assist
: The hill start assist feature does not replace the parking brake. When you leave the vehicle, always apply the parking brake and shift the transmission into position P for automatic transmission or position 1 for manual transmissions.
: You must remain in the vehicle once you have activated the hill start assist feature.
: During all times, you are responsible for controlling the vehicle, supervising the hill start assist system and intervening, if required.
: If the engine is revved excessively, or if a malfunction is detected when the hill start assist feature is active, the hill start assist feature will be deactivated.
This feature makes it easier to pull away when the vehicle is on a slope without the need to use the parking brake. When this feature is active, the vehicle will remain stationary on the slope for two to three seconds after you release the brake pedal. This allows you time to move your foot from the brake to the accelerator pedal. The brakes are released automatically once the engine has developed sufficient drive to prevent the vehicle from rolling down the slope. This is an advantage when pulling away on a slope, (for example from a car park ramp, traffic lights or when reversing uphill into a parking space).
This feature is activated automatically on any slope that can result in significant vehicle rollback.
Using Hill Start Assist
: If the engine is revved excessively, hill start assist will be deactivated.
1. Press the brake pedal to bring the vehicle to a complete standstill.
Keep the brake pedal pressed.
2. If the sensors detect that the vehicle is on a slope, the hill start assist feature will be activated automatically.
3. When you remove your foot from the brake pedal, the vehicle will remain on the slope without rolling away for approximately two or three seconds. This hold time will automatically be extended if you are in the process of driving off.
4. Drive off in the normal manner. The brakes will be released automatically.
Disabling and Enabling the Hill Start Assist Feature
Your vehicle comes with hill start assist already enabled. If desired, you can disable the feature by following the procedure below.
The following procedure must be completed within 45 seconds or the process will have to be repeated. Begin this procedure with the ignition turned off. This procedure is for both disabling and enabling the hill start assist system.
1. Apply the parking brake to make sure the vehicle is not moving.
2. Turn the ignition on.
3. Place the vehicle in neutral gear.
4. Slowly press and release the brake pedal five times – make sure the brake pedal is completely released each time.
5. Rotate the steering wheel at least one full turn to the right and return the steering wheel to the original starting position.
6. Rotate the steering wheel at least one full turn to the left and return the steering wheel to the original starting position.
7. Slowly press and release the brake pedal five times – ensure the brake pedal is completely released each time.
When the procedure has been completed successfully, the ABS icon in the instrument cluster will flash:
• three times indicating that the feature has been disabled.
• twice indicating it has been enabled.
Once the feature is programmed as desired, it will remain in that mode until the above procedure is repeated.
: When the AdvanceTrac® system is disabled (see the Traction Control chapter in your owner’s manual for information on how to do this), the hill start assist feature is also disabled for the duration that the AdvanceTrac® system is in that mode. Re-enabling AdvanceTrac® will also re-enable hill start assist.
: If you have used the above procedure to disable the hill start assist feature, then enabling or disabling AdvanceTrac® will not effect the hill start assist system.
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