Exception in rendering! Message: window is not defined ReferenceError: window is not defined at new c (/tmp/execjs20161208-5336-i20qcujs:136:3912) at m.mountComponent (/tmp/execjs20161208-5336-i20qcujs:47:15602) at /tmp/execjs20161208-5336-i20qcujs:49:31860 at a.r.perform (/tmp/execjs20161208-5336-i20qcujs:47:12503) at Object.a [as renderToString] (/tmp/execjs20161208-5336-i20qcujs:49:31821) at r (/tmp/execjs20161208-5336-i20qcujs:50:21164) at Object.S.ReactOnRails.serverRenderReactComponent (/tmp/execjs20161208-5336-i20qcujs:32:6073) at eval (eval at <anonymous> (/tmp/execjs20161208-5336-i20qcujs:173:8), <anonymous>:10:23) at eval (eval at <anonymous> (/tmp/execjs20161208-5336-i20qcujs:173:8), <anonymous>:17:3) at /tmp/execjs20161208-5336-i20qcujs:173:8
How do I turn the high beams?
High beams on your truck can become useful when driving at night when there are no street lamps or other cars around. The high beams can increase your range of vision. To turn on the high beams.
Make sure your headlights are turned on.
Pull the Headlamp Control lever past its resting position.
Have a car question? Get free advice from our top-rated mechanics.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%