Sounds like a faulty switch or wiring. You may have a limit switch in the lifting/lowering mechanism, a faulty switch on your dash to control it, or a broken wire between the dash switch and the motor.
The emergency brake must be on for the top to open. If the brake light on the dash does not come on with the emergency brake on then you will need to replace the switch on the emergency brake.
Convertible, or cabriolet.
To open the convertible top of a Nissan 350Z, first ensure the vehicle is in park and the ignition is on. Locate the convertible top switch, typically found on the center console. Press and hold the switch in the "open" position until the top is fully retracted. Release the switch once the top is completely down.
the switch is in the lever pull backwards or push forward on lever once released
To close the top: Open both door windows. Open the trunk and pull the passenger side trunk liner towards the center of the trunk. You may have to work the liner away from the lip holding it in place. Once this is done, you will see the convertible top hydraulic pump. On the side of the pump is a petcock. Turn it completely counter-clockwise. This opens the valve on the pump. Now use the Allen tool to raise the hook. Pull the convertible top down to meet the hook. Close the top by using the Allen tool. Return to the trunk and close the petcock. Replace the trunk liner. Press the convertible switch to close the top - this will raise the rear windows. Close the door windows. Have the vehicle checked at a dealership.
Top is not locked down, or open.
An unfavorable change in temperature or weather might induce someone to close the top of their convertible.
To open the convertible top on the 2007 Mercedes-Benz CLK, ensure the vehicle is in park and the ignition is on. Locate the convertible top switch on the center console, then press and hold the switch in the "open" position. The top will automatically retract, and you should wait until it is fully down before releasing the switch. Always ensure there's enough space above the vehicle for the top to open completely.
Sounds like a convertible with the top down or an open roadster.
Use a big enough hammer.
Sounds like a convertible with the top down or an open roadster.
To open a VW Beetle convertible manually, first, ensure the vehicle is parked and the ignition is off. Locate the manual release lever or latch, usually found near the driver's seat or at the front of the convertible top. Pull or push the lever to release the top, then gently lift the convertible top back to its fully open position. If the top is stuck, check for any obstructions or debris that may be preventing it from opening smoothly.