If a toyota highlander hybrid has a dead battery what should i do first?

You leave the house in a hurry, and realize that Your Toyota Highlander Hybrid vehicle won't start. After checking all the possible culprits, You have determined the issue is a dead battery. Now what The first thing You should try to do is jump the battery, if You have access to a pair of cables. If that doesn't work, You will need to make sure the battery is covered under warranty before having it tested and replaced. If it does turn out to be unsalvageable, You can expect to pay between $80 and $248 for a new one. If You have it replaced by an automotive professional, You will need to pay an additional $50 to $150 for labor.