|(a) In-car instruction may be taught in any motor vehicle which may be legally operated with a Class C driver license in Texas. The vehicle must have valid registration, have a currently valid motor vehicle inspection certificate, and be properly insured with proof of such liability insurance available in the vehicle. The vehicle is not required to have dual brakes but it is recommended that the vehicle have a second rear-view mirror for use of the instructor. (b) After a student has received a learner license, an instructor may begin in-car instruction. The curriculum must be followed with a minimum of 7 hours behind-the-wheel instruction and 7 hours supervised practice instruction given.