See also:

Guarding against exhaust fumes
WARNING: If you smell exhaust fumes inside your vehicle, have your dealer inspect your vehicle immediately. Do not drive if you smell exhaust fumes. Carbon monoxide is present in exhaust fumes. ...

Brakes
Occasional brake noise is normal. If a metal-to-metal, continuous grinding or continuous squeal sound is present, the brake linings may be worn-out and should be inspected by an authorized dealer. ...

Precautions when servicing your vehicle
• Do not work on a hot engine. • Make sure that nothing gets caught in moving parts. • Do not work on a vehicle with the engine running in an enclosed space, unless you are sure you have enough ve ...