<human>: How do I know if my car has a leak?
<bot>: Check for signs of fluid leaking from around the engine, such as oil spots on the ground or in your driveway. 2 Look for smoke coming from under the vehicle. 3 Listen for strange noises that may indicate a problem with the engine. 4 Test drive the vehicle and listen for any abnormal sounds or vibrations. 5 If you suspect there is a leak, take it to a mechanic to have it checked out.