Question

make sure the vehicle is positioned properly, as described in the vehicle service or jack/lift user manual. when jacking a vehicle, make sure the jack pad is placed under the correct lifting location as specified by the vehicle manufacturer. ensure the vehicle being lifted is not loaded. a heavily loaded vehicle could exceed the jack/lift capacity or change the vehicles center of gravity. before lifting a vehicle to full height, check the stability by gently rocking the vehicle when lifted to about knee height. keep others from standing in front or behind the vehicle when lifting. keep yourself and others from standing underneath the vehicle when lifting. dont lift a vehicle with people in it. make sure the arms of the lift are properly locked after the vehicle is lifted to about knee height. always use a supporting device (jack stand) after the vehicle is lifted. never position your body underneath a vehicle only supported by a jack. dont disable lift safety locks. always wear safety glasses and other protective equipment as required by the workplace. what should you do before lifting a vehicle to full height? ensure that the lift pads are positioned under the correct lifting points, as specified by the vehicle manufacturer. if lifting the vehicle with people inside, make sure they have their seat belts securely fastened. gently rock the vehicle to ensure its stable from about knee height. ensure heavy objects are removed from the vehicle. check

Explanation:

The text states "Before lifting a vehicle to full height, check the stability by gently rocking the vehicle when lifted to about knee height." This directly corresponds to one of the options. Also, it mentions ensuring the vehicle is not loaded (which implies removing heavy objects) and placing the jack pad under the correct lifting location. However, lifting a vehicle with people inside is prohibited.

Answer:

• Ensure that the lift pads are positioned under the correct lifting points, as specified by the vehicle manufacturer.
• Gently rock the vehicle to ensure it's stable from about knee height.
• Ensure heavy objects are removed from the vehicle.