Automotive Diagnostics, Torque & Trailer Wiring

When supporting a vehicle with hydraulic floor jacks, what critical safety step must NEVER be omitted?

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 Correct IncorrectNever crawl under a car held solely by hydraulic pressure. Always lower the vehicle onto rated mechanical jack stands and chock wheels on the ground.

When supporting a vehicle with hydraulic floor jacks, what critical safety step must NEVER be omitted?

• Lowering the vehicle onto rated mechanical jack stands and chocking opposing wheels
• Spraying tire shine on the rubber tread
• Opening the sunroof for ventilation
• Leaving the transmission in neutral with parking brake off