See also:

Check Gas Cap Light
If your vehicle has this light, it will come on if your gas cap is not securely fastened. ...

Horn
Press on the steering wheel pad to sound the horn. ...

Total Weight on Your Vehicle's Tires
Be sure the vehicle's tires are inflated to the upper limit for cold tires. These numbers can be found on the Information label. See Vehicle Load Limits. Make sure not to go over the GVW li ...