2013 acura tsx. consumer writes in regards to vehicle headlights issues. *smd the consumer stated when the headlights were on, he noticed a big shadow in front of the vehicle. he believed it posed a safety hazard at night when driving down a winding and hilly road. the consumer also stated when he applied the brake, the vehicle would accelerate. at times, he had to press the brake hard in order to slow the vehicle down. updated 11/20/13