2010 Toyota 4Runner Owners Manual - Page 170
2010 Toyota 4Runner Manual
Page 170 highlights
1-7. Safety information STEP 4 While pushing the child restraint system down into the rear seat, allow the shoulder belt to retract until the child restraint system is securely in place. After the shoulder belt has retracted to a point where there is no slack in the belt, pull the belt to check that it cannot be extended. 1 Before driving CTH17AS041