What will be the indirect speach of "HAVE YOU TEST DRIVEN OUR COMPANY'S NEW CAR?,THE SALES MANAGER SAID TO THE CUSTOMER. 

the sales manager said whether the customer had driven their company's new car?

the sales manager asked the customer whether he had driven their company's new car?

there should we no ? in a reported speech so the sentence will be-

the sales manager asked the customer whether he had driven their company's new car

 Sales manager said to customer whether he/she had driven their company's new car.

 The sales manager asked the customer wether he/she had driven his company's new car.

This the right statement

the sales manager asked the customer weather he had test driven their company's new car.

i would also like to appeal to the expert to give his/ her veiw.

 The Answer is

"THE SALES MAN ASKED THE CuSTOMER IF YOU HAVE TEST DRIVEN OUR COMPANY'S NEW CAR"
 

yah anmoldod is right

The spelling of weather is wrong, the correct spelling is "WHETHER".

The sales manager asked the customer whether he had driven the company's new car.

The sales manager enquired of the customer if he had test driven the company's new car.

The sales-manager enquired his customer if he has test driven his company's new car.

The sales manager said to the customer that had he test driven their company's new car?

  The sales manager asked the customer whether he had driven their company's new car?

The sales manager asked the customer if he had test driven their company's new car .

the sales manager asked the customer whether he had test driven their company's new car.

the sales manager said to customer that had he test driven their company 's new car?

the sales manager said to customer that had he test driven their company 's new car?

the salesmanager asked the customer had he test driven their company's new car.

& S Tusharaa '?' never comes in indierect sentences ..........   OK            :)

 The salesmanager asked the customer whether he had test driven the company's new car.

Hope this helps. :)

The sales manager asked the coustmer whether he had test driven the company's new car

hope this helps you!

The sales manager asked the customer that had he test driven their company ' s new car .